↺Review mode: answers and explanations remain visible.
Question 1 of 50
Question 1
Easy
Passage
Stream restoration
The account presents equivalent actions in compatible grammatical forms. Upstream flow is monitored. No barriers block fish passage. The project asks students to identify woody barriers, to compare it with planted banks, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify woody barriers, to compare it with planted banks, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 2 of 50
Question 2
Easy
Passage
A baker's ledger
The account presents equivalent actions in compatible grammatical forms. The entry identifies Jun as a baker in an original neighborhood story and Jun's ledger as a notebook containing recipes and customer debts. The guide emphasizes observing Jun, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing Jun, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 3 of 50
Question 3
Easy
Passage
Ceramic surface traditions
The account presents equivalent actions in compatible grammatical forms. The account explains that river-clay bowls and ash-glazed jars use local materials to produce distinctive surfaces. The project asks students to identify river-clay bowls, to compare it with ash-glazed jars, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify river-clay bowls, to compare it with ash-glazed jars, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 4 of 50
Question 4
Easy
Passage
Night-blooming flowers
The account presents equivalent actions in compatible grammatical forms. Cameras record visits from sunset to dawn. Researchers compare visitor type and visit duration. The guide emphasizes observing wide flowers, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing wide flowers, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 5 of 50
Question 5
Easy
Passage
Voices across a courtyard
The account presents equivalent actions in compatible grammatical forms. Their improvised exchange becomes a daily greeting. Neither character knows the other's name. The project asks students to identify Asha, to compare it with Pavel, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify Asha, to compare it with Pavel, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 6 of 50
Question 6
Easy
Passage
Captions and looking
The account presents equivalent actions in compatible grammatical forms. Discussion is recorded in pairs. Viewing time is capped at four minutes. The guide emphasizes observing descriptive captions, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing descriptive captions, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 7 of 50
Question 7
Easy
Passage
Battery storage temperature
The account presents equivalent actions in compatible grammatical forms. The entry identifies cool storage as battery cells stored at a low stable temperature and warm storage as matched cells stored in a warmer chamber. The project asks students to identify cool storage, to compare it with warm storage, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify cool storage, to compare it with warm storage, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 8 of 50
Question 8
Easy
Passage
The restored chair
The account presents equivalent actions in compatible grammatical forms. The account explains that the carved chair and Mina balance preservation with practical repair. The guide emphasizes observing the carved chair, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing the carved chair, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 9 of 50
Question 9
Easy
Passage
Sound-map installation
The account presents equivalent actions in compatible grammatical forms. An artist records at dawn and evening. Software links each recording to a moving point on the map. The project asks students to identify field recordings, to compare it with projected maps, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify field recordings, to compare it with projected maps, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 10 of 50
Question 10
Easy
Passage
Bird-call detection
The account presents equivalent actions in compatible grammatical forms. Combining methods produces the longest species list. Some recorded calls cannot be identified confidently. The guide emphasizes observing automated microphones, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing automated microphones, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 11 of 50
Question 11
Easy
Passage
Market-day archives
The account presents equivalent actions in compatible grammatical forms. The archive covers twelve market years. Several pages have damaged edges. The project asks students to identify harbor tax lists, to compare it with vendors' petitions, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify harbor tax lists, to compare it with vendors' petitions, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 12 of 50
Question 12
Easy
Passage
Translation choices
The account presents equivalent actions in compatible grammatical forms. The entry identifies version A as an original translation using formal diction and version B as an original translation using conversational diction. The guide emphasizes observing version A, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing version A, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 13 of 50
Question 13
Easy
Passage
Salt-tolerant seedlings
The account presents equivalent actions in compatible grammatical forms. The account explains that line K and line M show reduced growth at the highest salt level. The project asks students to identify line K, to compare it with line M, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify line K, to compare it with line M, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 14 of 50
Question 14
Easy
Passage
Neighborhood shade survey
The account presents equivalent actions in compatible grammatical forms. Observers record shaded pavement at noon. They compare readings during the same clear week. The guide emphasizes observing Block Alder, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing Block Alder, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 15 of 50
Question 15
Easy
Passage
Poster hierarchy
The account presents equivalent actions in compatible grammatical forms. Viewers find the date faster without losing access to venue information. The test uses a single poster design. The project asks students to identify large date text, to compare it with small venue text, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify large date text, to compare it with small venue text, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 16 of 50
Question 16
Medium
Passage
Reef-sound playback
The account presents equivalent actions in compatible grammatical forms. Playback volume matches natural recordings. Sites are monitored by low-light cameras. The guide emphasizes observing healthy-reef sounds, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing healthy-reef sounds, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 17 of 50
Question 17
Medium
Passage
Library access pilot
The account presents equivalent actions in compatible grammatical forms. The entry identifies mobile library stops as temporary book-lending stations in a synthetic pilot and extended evening hours as a schedule change at the main library. The project asks students to identify mobile library stops, to compare it with extended evening hours, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify mobile library stops, to compare it with extended evening hours, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 18 of 50
Question 18
Medium
Passage
Dance notation workshop
The account presents equivalent actions in compatible grammatical forms. The account explains that symbolic notation and video rehearsal preserve complementary aspects of choreography. The guide emphasizes observing symbolic notation, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing symbolic notation, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 19 of 50
Question 19
Medium
Passage
Leaf-surface droplets
The account presents equivalent actions in compatible grammatical forms. Technicians place droplets at fixed points. They photograph droplet shape after thirty seconds. The project asks students to identify waxed leaves, to compare it with matte leaves, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify waxed leaves, to compare it with matte leaves, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 20 of 50
Question 20
Medium
Passage
Two oral histories
The account presents equivalent actions in compatible grammatical forms. The interviews broaden the strike history beyond speeches by leaders. Memory may shape each narrator's emphasis. The guide emphasizes observing Laleh's interview, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing Laleh's interview, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 21 of 50
Question 21
Medium
Passage
Architectural reuse
The account presents equivalent actions in compatible grammatical forms. The depot closed forty years earlier. The roof is replaced with similar tiles. The project asks students to identify the old depot shell, to compare it with the reading rooms, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify the old depot shell, to compare it with the reading rooms, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 22 of 50
Question 22
Medium
Passage
The two lantern makers
The account presents equivalent actions in compatible grammatical forms. The entry identifies Mara as an apprentice lantern maker in an original story and Ilan as the workshop's experienced glass cutter. The guide emphasizes observing Mara, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing Mara, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 23 of 50
Question 23
Medium
Passage
Crosswalk redesign
The account presents equivalent actions in compatible grammatical forms. The account explains that raised crossings and painted curb extensions seek to improve pedestrian safety. The project asks students to identify raised crossings, to compare it with painted curb extensions, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify raised crossings, to compare it with painted curb extensions, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 24 of 50
Question 24
Medium
Passage
Exhibition sequence
The account presents equivalent actions in compatible grammatical forms. Curators establish a chronological main path. They add thematic alcoves along that path. The guide emphasizes observing chronological layout, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing chronological layout, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 25 of 50
Question 25
Medium
Passage
A garden remembered
The account presents equivalent actions in compatible grammatical forms. The flower helps Nia recover a story she thought she had forgotten. Nia cannot identify every plant in the old garden. The project asks students to identify Nia, to compare it with Grandmother Sefa, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify Nia, to compare it with Grandmother Sefa, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 26 of 50
Question 26
Medium
Passage
Community translation
The account presents equivalent actions in compatible grammatical forms. The town uses four common community languages. The recordings last under two minutes. The guide emphasizes observing translated notices, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing translated notices, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 27 of 50
Question 27
Medium
Passage
Poetry in two voices
The account presents equivalent actions in compatible grammatical forms. The entry identifies Voice One as the first speaker in an original two-voice poem and Voice Two as the answering speaker in the poem. The project asks students to identify Voice One, to compare it with Voice Two, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify Voice One, to compare it with Voice Two, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 28 of 50
Question 28
Medium
Passage
The station clock
The account presents equivalent actions in compatible grammatical forms. The account explains that Tomas and the station clock shape Tomas's perception of time. The guide emphasizes observing Tomas, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing Tomas, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 29 of 50
Question 29
Medium
Passage
Museum label experiment
The account presents equivalent actions in compatible grammatical forms. Curators assign label types to matched galleries. Visitors later describe one object they remember. The project asks students to identify short object labels, to compare it with question-based labels, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify short object labels, to compare it with question-based labels, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 30 of 50
Question 30
Medium
Passage
Community mural archive
The account presents equivalent actions in compatible grammatical forms. The combined archive distinguishes design changes from later damage. Some planning meetings were not documented. The guide emphasizes observing planning sketches, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing planning sketches, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 31 of 50
Question 31
Medium
Passage
Two maps of home
The account presents equivalent actions in compatible grammatical forms. The neighborhood grew around an old market. Both maps are folded into blue envelopes. The project asks students to identify Evelyn's map, to compare it with Rafi's map, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify Evelyn's map, to compare it with Rafi's map, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 32 of 50
Question 32
Medium
Passage
Shared-work schedules
The account presents equivalent actions in compatible grammatical forms. The entry identifies fixed shifts as the original schedule at a synthetic repair cooperative and self-selected shifts as a trial schedule chosen weekly by workers. The guide emphasizes observing fixed shifts, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing fixed shifts, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 33 of 50
Question 33
Medium
Passage
Accessible performance guide
The account presents equivalent actions in compatible grammatical forms. The account explains that plain-language synopsis and sensory guide prepare different audience needs before a performance. The project asks students to identify plain-language synopsis, to compare it with sensory guide, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify plain-language synopsis, to compare it with sensory guide, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 34 of 50
Question 34
Medium
Passage
The unfinished melody
The account presents equivalent actions in compatible grammatical forms. Leena removes several crowded measures. Oren plays the revised ending after a long pause. The guide emphasizes observing Leena, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing Leena, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 35 of 50
Question 35
Medium
Passage
Park-use counts
The account presents equivalent actions in compatible grammatical forms. The parks have similar daily totals but different timing patterns. Counts come from three weekdays. The project asks students to identify Ridge Park, to compare it with Willow Park, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify Ridge Park, to compare it with Willow Park, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 36 of 50
Question 36
Medium
Passage
Moss moisture trial
The account presents equivalent actions in compatible grammatical forms. All samples are grown in the same lab. Air speed is held constant within each chamber. The guide emphasizes observing ridge moss, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing ridge moss, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 37 of 50
Question 37
Medium
Passage
The borrowed coat
The account presents equivalent actions in compatible grammatical forms. The entry identifies Amal as the protagonist of an original winter tale and the blue coat as a coat borrowed from Amal's older cousin. The project asks students to identify Amal, to compare it with the blue coat, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify Amal, to compare it with the blue coat, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 38 of 50
Question 38
Medium
Passage
Food-waste messages
The account presents equivalent actions in compatible grammatical forms. The account explains that cost-framed signs and community-framed signs promote the same waste-reduction behavior. The guide emphasizes observing cost-framed signs, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing cost-framed signs, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 39 of 50
Question 39
Medium
Passage
Seed-coat temperature
The account presents equivalent actions in compatible grammatical forms. Researchers place equal groups under a lamp. They measure coat temperature before germination. The project asks students to identify dark-coated seeds, to compare it with pale-coated seeds, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify dark-coated seeds, to compare it with pale-coated seeds, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 40 of 50
Question 40
Medium
Passage
Messages in clay
The account presents equivalent actions in compatible grammatical forms. The same marks represent craft to Davin and memory to Reya. Their interpretations differ without contradicting each other. The guide emphasizes observing Davin, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing Davin, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 41 of 50
Question 41
Hard
Passage
Cycling-route feedback
The account presents equivalent actions in compatible grammatical forms. The proposal covers eighteen kilometers. All rides occur during daylight. The project asks students to identify online map comments, to compare it with guided neighborhood rides, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify online map comments, to compare it with guided neighborhood rides, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 42 of 50
Question 42
Hard
Passage
Urban moth movement
The account presents equivalent actions in compatible grammatical forms. The entry identifies continuous hedge as an unbroken planted corridor in a synthetic field test and spaced planters as separate habitat patches along another route. The guide emphasizes observing continuous hedge, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing continuous hedge, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 43 of 50
Question 43
Hard
Passage
A quiet election
The account presents equivalent actions in compatible grammatical forms. The account explains that Suri and Malik seek broader student participation. The project asks students to identify Suri, to compare it with Malik, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify Suri, to compare it with Malik, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 44 of 50
Question 44
Hard
Passage
School breakfast timing
The account presents equivalent actions in compatible grammatical forms. Three schools record participation under the old schedule. They move service after the bell for six weeks. The guide emphasizes observing before-school service, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing before-school service, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 45 of 50
Question 45
Hard
Passage
Cooling roof tiles
The account presents equivalent actions in compatible grammatical forms. Ribbed tiles cool faster during the first ten minutes. The difference narrows as both approach room temperature. The project asks students to identify ribbed tiles, to compare it with smooth tiles, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify ribbed tiles, to compare it with smooth tiles, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 46 of 50
Question 46
Hard
Passage
The river postcard
The account presents equivalent actions in compatible grammatical forms. The postcard bears no photograph. Its stamp shows a small bird. The guide emphasizes observing the postcard, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing the postcard, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 47 of 50
Question 47
Hard
Passage
Restoring a public square
The account presents equivalent actions in compatible grammatical forms. The entry identifies the fountain plan as a proposal to restore a square's historic fountain and the shade plan as a proposal to add trees and movable seats. The project asks students to identify the fountain plan, to compare it with the shade plan, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify the fountain plan, to compare it with the shade plan, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 48 of 50
Question 48
Hard
Passage
Bee learning cues
The account presents equivalent actions in compatible grammatical forms. The account explains that color cue and shape cue help bees locate a reward. The guide emphasizes observing color cue, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing color cue, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
Question 49 of 50
Question 49
Hard
Passage
Actors and masks
The account presents equivalent actions in compatible grammatical forms. Mei rehearses the scene without the mask. She repeats it with the mask and slower gestures. The project asks students to identify Mei, to compare it with the silver mask, and Grammar form blank: _____ the result.
Correct answerto explain
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
to identify ∥ to compare ∥ to explain
Convention
parallel infinitives
Why the keyed form works
All three coordinated actions use parallel infinitive forms.
Coordinate forms
to identify ∥ to compare ∥ to explain
Why this choice?
Incorrect. The past form cannot fill the coordinated infinitive slot.
Why this choice?
Correct. To explain matches the two preceding infinitives.
Why this choice?
Incorrect. The gerund does not match the infinitives.
Why this choice?
Incorrect. The noun phrase does not match the infinitive actions.
Explanation
All three coordinated actions use parallel infinitive forms. The conventionally completed text reads: “The project asks students to identify Mei, to compare it with the silver mask, and to explain the result.”
Grammar map
to identify ∥ to compare ∥ to explain
Target
coordinated verb form
Form and sense decision
All three coordinated actions use parallel infinitive forms.
Question 50 of 50
Question 50
Hard
Passage
Color in wayfinding
The account presents equivalent actions in compatible grammatical forms. Visitors navigate fastest when continuous and numbered cues are combined. The building has only two floors. The guide emphasizes observing blue floor markings, recording its key features, and Grammar form blank: _____ the findings carefully.
Correct answerinterpreting
Grammar structure audit
Official domain
Standard English Conventions
Official skill
Form, Structure, and Sense
Topic
10-14 · Parallel Structure
Official competency
Verb Finiteness
Instructional alignment
Adjacent Internal
Target
coordinated verb form
Grammar map
observing ∥ recording ∥ interpreting
Convention
parallel gerunds
Why the keyed form works
The coordinate series requires a third gerund, interpreting.
Coordinate forms
observing ∥ recording ∥ interpreting
Why this choice?
Incorrect. The noun phrase does not match the verbal items.
Why this choice?
Incorrect. The past form cannot fill this coordinate verbal slot.
Why this choice?
Correct. Interpreting matches the preceding gerunds.
Why this choice?
Incorrect. The infinitive breaks the gerund pattern.
Explanation
The coordinate series requires a third gerund, interpreting. The conventionally completed text reads: “The guide emphasizes observing blue floor markings, recording its key features, and interpreting the findings carefully.”
Grammar map
observing ∥ recording ∥ interpreting
Target
coordinated verb form
Form and sense decision
The coordinate series requires a third gerund, interpreting.
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Practice complete
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