↺Review mode: answers and explanations remain visible.
Question 1 of 50
Question 1
Easy
Passage
Color in wayfinding
The sentence coordinates elements that perform the same grammatical function. The test route contains seven turns. Participants begin from the same entrance. The exhibit records how blue floor markings changed and how numbered wall signs Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how blue floor markings changed and how numbered wall signs responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 2 of 50
Question 2
Easy
Passage
Stream restoration
The sentence coordinates elements that perform the same grammatical function. The entry identifies woody barriers as small structures placed in a synthetic stream and planted banks as native vegetation added along the same reach. The account both describes woody barriers and Grammar form blank: _____ its relationship to planted banks.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes woody barriers and explains its relationship to planted banks.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 3 of 50
Question 3
Easy
Passage
A baker's ledger
The sentence coordinates elements that perform the same grammatical function. The account explains that Jun and Jun's ledger show that baking and community care are intertwined. The exhibit records how Jun changed and how Jun's ledger Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how Jun changed and how Jun's ledger responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 4 of 50
Question 4
Easy
Passage
Ceramic surface traditions
The sentence coordinates elements that perform the same grammatical function. A curator groups fragments by clay composition. She reconstructs how firing changed the finished surfaces. The account both describes river-clay bowls and Grammar form blank: _____ its relationship to ash-glazed jars.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes river-clay bowls and explains its relationship to ash-glazed jars.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 5 of 50
Question 5
Easy
Passage
Night-blooming flowers
The sentence coordinates elements that perform the same grammatical function. Flower shape changes visitation pattern more than total nectar use. One week of unusually strong wind is excluded. The exhibit records how wide flowers changed and how narrow flowers Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how wide flowers changed and how narrow flowers responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 6 of 50
Question 6
Easy
Passage
Voices across a courtyard
The sentence coordinates elements that perform the same grammatical function. The courtyard is too narrow for direct sunlight. Laundry lines cross above them. The account both describes Asha and Grammar form blank: _____ its relationship to Pavel.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes Asha and explains its relationship to Pavel.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 7 of 50
Question 7
Easy
Passage
Captions and looking
The sentence coordinates elements that perform the same grammatical function. The entry identifies descriptive captions as museum captions naming visible features and interpretive captions as captions proposing a possible meaning. The exhibit records how descriptive captions changed and how interpretive captions Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how descriptive captions changed and how interpretive captions responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 8 of 50
Question 8
Easy
Passage
Battery storage temperature
The sentence coordinates elements that perform the same grammatical function. The account explains that cool storage and warm storage uses identical cell models. The account both describes cool storage and Grammar form blank: _____ its relationship to warm storage.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes cool storage and explains its relationship to warm storage.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 9 of 50
Question 9
Easy
Passage
The restored chair
The sentence coordinates elements that perform the same grammatical function. Mina photographs every worn surface. She reinforces the frame and returns the chair unpainted. The exhibit records how the carved chair changed and how Mina Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how the carved chair changed and how Mina responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 10 of 50
Question 10
Easy
Passage
Sound-map installation
The sentence coordinates elements that perform the same grammatical function. Visitors follow the district's daily rhythm more easily with both media. The installation represents one month. The account both describes field recordings and Grammar form blank: _____ its relationship to projected maps.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes field recordings and explains its relationship to projected maps.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 11 of 50
Question 11
Easy
Passage
Bird-call detection
The sentence coordinates elements that perform the same grammatical function. Sites are separated by equal distances. Rainy recordings are removed. The exhibit records how automated microphones changed and how human listening points Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how automated microphones changed and how human listening points responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 12 of 50
Question 12
Easy
Passage
Market-day archives
The sentence coordinates elements that perform the same grammatical function. The entry identifies harbor tax lists as invented records from a coastal town's market and vendors' petitions as invented requests submitted to the town council. The account both describes harbor tax lists and Grammar form blank: _____ its relationship to vendors' petitions.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes harbor tax lists and explains its relationship to vendors' petitions.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 13 of 50
Question 13
Easy
Passage
Translation choices
The sentence coordinates elements that perform the same grammatical function. The account explains that version A and version B retain the poem's central image of a turning wheel. The exhibit records how version A changed and how version B Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how version A changed and how version B responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 14 of 50
Question 14
Easy
Passage
Salt-tolerant seedlings
The sentence coordinates elements that perform the same grammatical function. Researchers plant both lines across four salt treatments. They measure height and leaf color after six weeks. The account both describes line K and Grammar form blank: _____ its relationship to line M.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes line K and explains its relationship to line M.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 15 of 50
Question 15
Easy
Passage
Neighborhood shade survey
The sentence coordinates elements that perform the same grammatical function. Block Alder remains cooler, though both blocks reduce direct sun. The survey does not measure winter conditions. The exhibit records how Block Alder changed and how Block Birch Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how Block Alder changed and how Block Birch responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 16 of 50
Question 16
Medium
Passage
Poster hierarchy
The sentence coordinates elements that perform the same grammatical function. The concert itself is fictional. The poster uses two typefaces. The account both describes large date text and Grammar form blank: _____ its relationship to small venue text.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes large date text and explains its relationship to small venue text.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 17 of 50
Question 17
Medium
Passage
Reef-sound playback
The sentence coordinates elements that perform the same grammatical function. The entry identifies healthy-reef sounds as recordings used in a synthetic marine experiment and quiet control speakers as speakers installed without sound playback. The exhibit records how healthy-reef sounds changed and how quiet control speakers Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how healthy-reef sounds changed and how quiet control speakers responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 18 of 50
Question 18
Medium
Passage
Library access pilot
The sentence coordinates elements that perform the same grammatical function. The account explains that mobile library stops and extended evening hours aim to expand access beyond ordinary daytime visits. The account both describes mobile library stops and Grammar form blank: _____ its relationship to extended evening hours.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes mobile library stops and explains its relationship to extended evening hours.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 19 of 50
Question 19
Medium
Passage
Dance notation workshop
The sentence coordinates elements that perform the same grammatical function. Students study the notation before rehearsal. They compare the video when a symbol is unclear. The exhibit records how symbolic notation changed and how video rehearsal Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how symbolic notation changed and how video rehearsal responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 20 of 50
Question 20
Medium
Passage
Leaf-surface droplets
The sentence coordinates elements that perform the same grammatical function. Surface texture predicts droplet spread. Artificial leaves simplify natural variation. The account both describes waxed leaves and Grammar form blank: _____ its relationship to matte leaves.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes waxed leaves and explains its relationship to matte leaves.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 21 of 50
Question 21
Medium
Passage
Two oral histories
The sentence coordinates elements that perform the same grammatical function. The strike lasted five weeks. Both interviews were recorded decades later. The exhibit records how Laleh's interview changed and how Bento's interview Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how Laleh's interview changed and how Bento's interview responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 22 of 50
Question 22
Medium
Passage
Architectural reuse
The sentence coordinates elements that perform the same grammatical function. The entry identifies the old depot shell as the retained exterior of a fictional rail depot and the reading rooms as new interior spaces built inside the depot. The account both describes the old depot shell and Grammar form blank: _____ its relationship to the reading rooms.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes the old depot shell and explains its relationship to the reading rooms.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 23 of 50
Question 23
Medium
Passage
The two lantern makers
The sentence coordinates elements that perform the same grammatical function. The account explains that Mara and Ilan use light to turn an ordinary room into a place of wonder. The exhibit records how Mara changed and how Ilan Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how Mara changed and how Ilan responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 24 of 50
Question 24
Medium
Passage
Crosswalk redesign
The sentence coordinates elements that perform the same grammatical function. Engineers measure approach speeds before installation. They repeat measurements one month afterward. The account both describes raised crossings and Grammar form blank: _____ its relationship to painted curb extensions.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes raised crossings and explains its relationship to painted curb extensions.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 25 of 50
Question 25
Medium
Passage
Exhibition sequence
The sentence coordinates elements that perform the same grammatical function. The hybrid layout supports both historical sequence and comparison. Visitors may skip the alcoves. The exhibit records how chronological layout changed and how thematic alcoves Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how chronological layout changed and how thematic alcoves responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 26 of 50
Question 26
Medium
Passage
A garden remembered
The sentence coordinates elements that perform the same grammatical function. The garden once occupied a narrow courtyard. Rainwater collected in a painted barrel. The account both describes Nia and Grammar form blank: _____ its relationship to Grandmother Sefa.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes Nia and explains its relationship to Grandmother Sefa.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 27 of 50
Question 27
Medium
Passage
Community translation
The sentence coordinates elements that perform the same grammatical function. The entry identifies translated notices as multilingual versions of town announcements and audio summaries as recorded explanations distributed by telephone. The exhibit records how translated notices changed and how audio summaries Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how translated notices changed and how audio summaries responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 28 of 50
Question 28
Medium
Passage
Poetry in two voices
The sentence coordinates elements that perform the same grammatical function. The account explains that Voice One and Voice Two portray the same dawn from contrasting sensory frames. The account both describes Voice One and Grammar form blank: _____ its relationship to Voice Two.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes Voice One and explains its relationship to Voice Two.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 29 of 50
Question 29
Medium
Passage
The station clock
The sentence coordinates elements that perform the same grammatical function. Tomas checks the clock after hearing a delay. He boards when the minute hand finally reaches twelve. The exhibit records how Tomas changed and how the station clock Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how Tomas changed and how the station clock responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 30 of 50
Question 30
Medium
Passage
Museum label experiment
The sentence coordinates elements that perform the same grammatical function. Question-based labels produce more references to visual details. The study does not measure long-term memory. The account both describes short object labels and Grammar form blank: _____ its relationship to question-based labels.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes short object labels and explains its relationship to question-based labels.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 31 of 50
Question 31
Medium
Passage
Community mural archive
The sentence coordinates elements that perform the same grammatical function. The mural covers a school courtyard. The archive includes paint samples. The exhibit records how planning sketches changed and how repair photographs Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how planning sketches changed and how repair photographs responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 32 of 50
Question 32
Medium
Passage
Two maps of home
The sentence coordinates elements that perform the same grammatical function. The entry identifies Evelyn's map as a hand-drawn map in an original novel and Rafi's map as a precise printed map in the same novel. The account both describes Evelyn's map and Grammar form blank: _____ its relationship to Rafi's map.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes Evelyn's map and explains its relationship to Rafi's map.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 33 of 50
Question 33
Medium
Passage
Shared-work schedules
The sentence coordinates elements that perform the same grammatical function. The account explains that fixed shifts and self-selected shifts cover the same total weekly hours. The exhibit records how fixed shifts changed and how self-selected shifts Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how fixed shifts changed and how self-selected shifts responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 34 of 50
Question 34
Medium
Passage
Accessible performance guide
The sentence coordinates elements that perform the same grammatical function. The theater consults audience advisory groups. It publishes both guides online and at the venue. The account both describes plain-language synopsis and Grammar form blank: _____ its relationship to sensory guide.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes plain-language synopsis and explains its relationship to sensory guide.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 35 of 50
Question 35
Medium
Passage
The unfinished melody
The sentence coordinates elements that perform the same grammatical function. Listeners notice the final note more strongly after the silence. The response comes from one rehearsal audience. The exhibit records how Leena changed and how Oren Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how Leena changed and how Oren responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 36 of 50
Question 36
Medium
Passage
Park-use counts
The sentence coordinates elements that perform the same grammatical function. Both parks are accessible by bus. Only Willow Park has a pond. The account both describes Ridge Park and Grammar form blank: _____ its relationship to Willow Park.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes Ridge Park and explains its relationship to Willow Park.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 37 of 50
Question 37
Medium
Passage
Moss moisture trial
The sentence coordinates elements that perform the same grammatical function. The entry identifies ridge moss as a synthetic moss sample collected from exposed stone and hollow moss as a sample collected from a shaded depression. The exhibit records how ridge moss changed and how hollow moss Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how ridge moss changed and how hollow moss responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 38 of 50
Question 38
Medium
Passage
The borrowed coat
The sentence coordinates elements that perform the same grammatical function. The account explains that Amal and the blue coat connect Amal's present discomfort with a family memory. The account both describes Amal and Grammar form blank: _____ its relationship to the blue coat.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes Amal and explains its relationship to the blue coat.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 39 of 50
Question 39
Medium
Passage
Food-waste messages
The sentence coordinates elements that perform the same grammatical function. Staff weigh discarded food before posting signs. They rotate both messages between dining halls. The exhibit records how cost-framed signs changed and how community-framed signs Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how cost-framed signs changed and how community-framed signs responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 40 of 50
Question 40
Medium
Passage
Seed-coat temperature
The sentence coordinates elements that perform the same grammatical function. Coat temperature differs more than germination timing. The study tests one plant variety. The account both describes dark-coated seeds and Grammar form blank: _____ its relationship to pale-coated seeds.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes dark-coated seeds and explains its relationship to pale-coated seeds.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 41 of 50
Question 41
Hard
Passage
Messages in clay
The sentence coordinates elements that perform the same grammatical function. The village has no view of the sea. The kiln burns behind a stone wall. The exhibit records how Davin changed and how Reya Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how Davin changed and how Reya responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 42 of 50
Question 42
Hard
Passage
Cycling-route feedback
The sentence coordinates elements that perform the same grammatical function. The entry identifies online map comments as location-tagged responses in a synthetic transit consultation and guided neighborhood rides as in-person route observations with residents. The account both describes online map comments and Grammar form blank: _____ its relationship to guided neighborhood rides.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes online map comments and explains its relationship to guided neighborhood rides.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 43 of 50
Question 43
Hard
Passage
Urban moth movement
The sentence coordinates elements that perform the same grammatical function. The account explains that continuous hedge and spaced planters increase moth observations relative to bare routes. The exhibit records how continuous hedge changed and how spaced planters Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how continuous hedge changed and how spaced planters responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 44 of 50
Question 44
Hard
Passage
A quiet election
The sentence coordinates elements that perform the same grammatical function. Suri collects anonymous concerns in a box. Both candidates add the most common concern to their plans. The account both describes Suri and Grammar form blank: _____ its relationship to Malik.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes Suri and explains its relationship to Malik.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 45 of 50
Question 45
Hard
Passage
School breakfast timing
The sentence coordinates elements that perform the same grammatical function. Participation increases after the timing change. Attendance outcomes are not measured. The exhibit records how before-school service changed and how after-bell service Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how before-school service changed and how after-bell service responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 46 of 50
Question 46
Hard
Passage
Cooling roof tiles
The sentence coordinates elements that perform the same grammatical function. Each prototype has the same mass. Tests occur indoors without sunlight. The account both describes ribbed tiles and Grammar form blank: _____ its relationship to smooth tiles.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes ribbed tiles and explains its relationship to smooth tiles.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 47 of 50
Question 47
Hard
Passage
The river postcard
The sentence coordinates elements that perform the same grammatical function. The entry identifies the postcard as a message sent in an original epistolary story and the river as the landscape described on the card. The exhibit records how the postcard changed and how the river Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how the postcard changed and how the river responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 48 of 50
Question 48
Hard
Passage
Restoring a public square
The sentence coordinates elements that perform the same grammatical function. The account explains that the fountain plan and the shade plan aim to increase use of the square. The account both describes the fountain plan and Grammar form blank: _____ its relationship to the shade plan.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes the fountain plan and explains its relationship to the shade plan.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Question 49 of 50
Question 49
Hard
Passage
Bee learning cues
The sentence coordinates elements that perform the same grammatical function. Bees train with one marker type. Researchers test immediate and delayed choices. The exhibit records how color cue changed and how shape cue Grammar form blank: _____.
Correct answerresponded
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
how-clause + and + how-clause
Convention
coordinate clauses
Why the keyed form works
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Coordinate forms
how the first subject changed ∥ how the second subject responded
Why this choice?
Incorrect. The participle does not match the finite first clause.
Why this choice?
Incorrect. The noun phrase cannot complete the coordinated how-clause.
Why this choice?
Incorrect. The infinitive leaves the second how-clause without a finite verb.
Why this choice?
Correct. Responded completes the second finite how-clause.
Explanation
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses. The conventionally completed text reads: “The exhibit records how color cue changed and how shape cue responded.”
Grammar map
how-clause + and + how-clause
Target
finite verb form
Form and sense decision
Responded supplies a finite past verb parallel to changed in the coordinated how-clauses.
Question 50 of 50
Question 50
Hard
Passage
Actors and masks
The sentence coordinates elements that perform the same grammatical function. The masked version directs attention from facial expression to voice. The effect is observed only during rehearsal. The account both describes Mei and Grammar form blank: _____ its relationship to the silver mask.
Correct answerexplains
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-17 · Coordinate Elements
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
finite verb form
Grammar map
describes ∥ explains
Convention
coordinate predicates
Why the keyed form works
Explains is a finite present verb coordinated with describes under the shared subject account.
Subject
the account (singular)
Coordinate forms
describes ∥ explains
Why this choice?
Correct. Explains matches the finite form and syntactic role of describes.
Why this choice?
Incorrect. The participle does not match the finite coordinate verb.
Why this choice?
Incorrect. The noun phrase cannot coordinate with the finite verb describes.
Why this choice?
Incorrect. The infinitive breaks the coordinated predicate structure.
Explanation
Explains is a finite present verb coordinated with describes under the shared subject account. The conventionally completed text reads: “The account both describes Mei and explains its relationship to the silver mask.”
Grammar map
describes ∥ explains
Target
finite verb form
Form and sense decision
Explains is a finite present verb coordinated with describes under the shared subject account.
Keyboard: use Tab to move, arrow keys to change answer choices, and Enter to check an answer.
Practice complete
Your practice summary
Use the results to decide what to review before your next attempt.