Two oral histories
The comparison coordinates two claims about the subject. Laleh's interview emphasizes workers' childcare networkPunctuation boundary blank: _____ but Bento's interview emphasizes shopkeepers' food donations.
Practice
Fifty original SAT-style Boundaries questions for Topic 9-7.
The comparison coordinates two claims about the subject. Laleh's interview emphasizes workers' childcare networkPunctuation boundary blank: _____ but Bento's interview emphasizes shopkeepers' food donations.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Laleh's interview emphasizes workers' childcare network, but Bento's interview emphasizes shopkeepers' food donations.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The old depot shell keeps the building's long arched openingsPunctuation boundary blank: _____ and the reading rooms use movable partitions for present-day programs.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “The old depot shell keeps the building's long arched openings, and the reading rooms use movable partitions for present-day programs.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Mara tests translucent paper to soften the lantern lightPunctuation boundary blank: _____ yet Ilan cuts colored glass to cast sharp patterns.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Mara tests translucent paper to soften the lantern light, yet Ilan cuts colored glass to cast sharp patterns.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how raised crossings slow drivers by changing the road environmentPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how raised crossings slow drivers by changing the road environment and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Chronological layout shows change across timePunctuation boundary blank: _____ but thematic alcoves helps visitors compare distant periods.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Chronological layout shows change across time, but thematic alcoves helps visitors compare distant periods.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Nia records the garden's changing scents in a notebookPunctuation boundary blank: _____ and Grandmother Sefa labels each seed packet with a family story.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Nia records the garden's changing scents in a notebook, and Grandmother Sefa labels each seed packet with a family story.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Translated notices offer written access in several languagesPunctuation boundary blank: _____ yet audio summaries serve residents who prefer listening or have limited print access.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Translated notices offer written access in several languages, yet audio summaries serve residents who prefer listening or have limited print access.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how Voice One describes the city through mechanical soundsPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how Voice One describes the city through mechanical sounds and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Tomas measures his wait by the clock's slow handPunctuation boundary blank: _____ but the station clock runs several minutes behind the announced schedule.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Tomas measures his wait by the clock's slow hand, but the station clock runs several minutes behind the announced schedule.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Short object labels reduce the amount of text beside each objectPunctuation boundary blank: _____ and question-based labels prompt active looking before supplying context.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Short object labels reduce the amount of text beside each object, and question-based labels prompt active looking before supplying context.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Planning sketches show ideas omitted from the final compositionPunctuation boundary blank: _____ yet repair photographs show which painted areas weathered fastest.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Planning sketches show ideas omitted from the final composition, yet repair photographs show which painted areas weathered fastest.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how Evelyn's map marks favorite trees and neighbors' kitchensPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how Evelyn's map marks favorite trees and neighbors' kitchens and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Fixed shifts make staffing levels predictablePunctuation boundary blank: _____ but self-selected shifts give workers more control over timing.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Fixed shifts make staffing levels predictable, but self-selected shifts give workers more control over timing.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Plain-language synopsis helps readers follow major eventsPunctuation boundary blank: _____ and sensory guide helps audience members anticipate intense effects.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Plain-language synopsis helps readers follow major events, and sensory guide helps audience members anticipate intense effects.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Leena leaves spaces in the score for improvisationPunctuation boundary blank: _____ yet Oren fills those spaces with low repeating phrases.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Leena leaves spaces in the score for improvisation, yet Oren fills those spaces with low repeating phrases.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how Ridge Park draws concentrated evening usePunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how Ridge Park draws concentrated evening use and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Ridge moss loses water quickly under moving airPunctuation boundary blank: _____ but hollow moss retains water longer in still air.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Ridge moss loses water quickly under moving air, but hollow moss retains water longer in still air.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Amal initially feels embarrassed by its oversized sleevesPunctuation boundary blank: _____ and the blue coat still carries a ticket from the cousin's first concert.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Amal initially feels embarrassed by its oversized sleeves, and the blue coat still carries a ticket from the cousin's first concert.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Cost-framed signs encourage diners to take only what they will eatPunctuation boundary blank: _____ yet community-framed signs appeal to different reasons for avoiding waste.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Cost-framed signs encourage diners to take only what they will eat, yet community-framed signs appeal to different reasons for avoiding waste.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how dark-coated seeds absorb more radiant heatPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how dark-coated seeds absorb more radiant heat and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Davin presses tiny wave marks into each cupPunctuation boundary blank: _____ but Reya reads the marks as reminders of a distant coast.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Davin presses tiny wave marks into each cup, but Reya reads the marks as reminders of a distant coast.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Online map comments identify intersections that feel unsafePunctuation boundary blank: _____ and guided neighborhood rides reveal barriers experienced while actually cycling.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Online map comments identify intersections that feel unsafe, and guided neighborhood rides reveal barriers experienced while actually cycling.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Continuous hedge provides uninterrupted coverPunctuation boundary blank: _____ yet spaced planters provides periodic feeding sites.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Continuous hedge provides uninterrupted cover, yet spaced planters provides periodic feeding sites.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how Suri listens privately before proposing changesPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how Suri listens privately before proposing changes and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Before-school service requires students to arrive earlyPunctuation boundary blank: _____ but after-bell service lets already-present students obtain food.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Before-school service requires students to arrive early, but after-bell service lets already-present students obtain food.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Ribbed tiles create more surface exposed to passing airPunctuation boundary blank: _____ and smooth tiles shed water quickly after rainfall.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Ribbed tiles create more surface exposed to passing air, and smooth tiles shed water quickly after rainfall.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The postcard contains only three short sentencesPunctuation boundary blank: _____ yet the river changes color as afternoon clouds pass.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “The postcard contains only three short sentences, yet the river changes color as afternoon clouds pass.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how the fountain plan preserves a recognizable civic landmarkPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how the fountain plan preserves a recognizable civic landmark and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Color cue is recognized quickly after short trainingPunctuation boundary blank: _____ but shape cue is remembered longer after a delay.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Color cue is recognized quickly after short training, but shape cue is remembered longer after a delay.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Mei speaks more boldly while wearing the maskPunctuation boundary blank: _____ and the silver mask hides her expression but amplifies her voice.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Mei speaks more boldly while wearing the mask, and the silver mask hides her expression but amplifies her voice.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Blue floor markings create a continuous path through corridorsPunctuation boundary blank: _____ yet numbered wall signs give precise confirmation at decision points.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Blue floor markings create a continuous path through corridors, yet numbered wall signs give precise confirmation at decision points.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how woody barriers slow water and collect sedimentPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how woody barriers slow water and collect sediment and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Jun uses memory rather than exact measurementsPunctuation boundary blank: _____ but Jun's ledger records precise amounts but also acts of generosity.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Jun uses memory rather than exact measurements, but Jun's ledger records precise amounts but also acts of generosity.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. River-clay bowls show fine lines pressed with woven cordPunctuation boundary blank: _____ and ash-glazed jars show cloudy surfaces created by wood ash.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “River-clay bowls show fine lines pressed with woven cord, and ash-glazed jars show cloudy surfaces created by wood ash.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Wide flowers are visited by several insect groupsPunctuation boundary blank: _____ yet narrow flowers receive fewer but longer visits from moths.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Wide flowers are visited by several insect groups, yet narrow flowers receive fewer but longer visits from moths.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how Asha sends melodies through an open windowPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how Asha sends melodies through an open window and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Descriptive captions direct attention to details already presentPunctuation boundary blank: _____ but interpretive captions invite visitors to consider a broader interpretation.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Descriptive captions direct attention to details already present, but interpretive captions invite visitors to consider a broader interpretation.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Cool storage preserves more initial capacityPunctuation boundary blank: _____ and warm storage allows slightly faster first-day charging.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Cool storage preserves more initial capacity, and warm storage allows slightly faster first-day charging.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The carved chair retains scratches made during decades of usePunctuation boundary blank: _____ yet Mina replaces only the joints needed for stability.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “The carved chair retains scratches made during decades of use, yet Mina replaces only the joints needed for stability.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how field recordings preserve small changes in local soundPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how field recordings preserve small changes in local sound and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Automated microphones collect sound for many hoursPunctuation boundary blank: _____ but human listening points allow immediate visual confirmation of some birds.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Automated microphones collect sound for many hours, but human listening points allow immediate visual confirmation of some birds.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Harbor tax lists record changing quantities of imported grainPunctuation boundary blank: _____ and vendors' petitions describe merchants' concerns about storage fees.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Harbor tax lists record changing quantities of imported grain, and vendors' petitions describe merchants' concerns about storage fees.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Version A preserves the source poem's ceremonial tonePunctuation boundary blank: _____ yet version B makes the speaker sound immediate and familiar.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Version A preserves the source poem's ceremonial tone, yet version B makes the speaker sound immediate and familiar.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how line K maintains leaf color under moderate saltPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how line K maintains leaf color under moderate salt and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Block Alder has mature trees along most sidewalksPunctuation boundary blank: _____ but Block Birch has new awnings but few mature trees.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Block Alder has mature trees along most sidewalks, but Block Birch has new awnings but few mature trees.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Large date text lets viewers identify timing from a distancePunctuation boundary blank: _____ and small venue text provides detail after the poster attracts attention.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Large date text lets viewers identify timing from a distance, and small venue text provides detail after the poster attracts attention.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Healthy-reef sounds include clicks and fish callsPunctuation boundary blank: _____ yet quiet control speakers control for the physical presence of equipment.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Healthy-reef sounds include clicks and fish calls, yet quiet control speakers control for the physical presence of equipment.”
IC, yet IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. The account describes how mobile library stops bring books into neighborhoodsPunctuation boundary blank: _____ and explains why the detail matters.
Predicate
Predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
Incorrect. The second predicate is coordinated rather than introduced as an elaboration.
Correct. The two predicates share the same subject and remain joined without punctuation.
Incorrect. A comma would unnecessarily split a compound predicate.
Incorrect. The words after the semicolon have no stated subject and are not an independent clause.
The coordinated predicates share one subject, so no comma is required merely because and appears. The conventionally completed text reads: “The account describes how mobile library stops bring books into neighborhoods and explains why the detail matters.”
subject + predicate and predicate
predicate → predicate
The coordinated predicates share one subject, so no comma is required merely because and appears.
The comparison coordinates two claims about the subject. Symbolic notation makes timing patterns easy to compare on a pagePunctuation boundary blank: _____ but video rehearsal shows weight shifts and spatial relationships directly.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Symbolic notation makes timing patterns easy to compare on a page, but video rehearsal shows weight shifts and spatial relationships directly.”
IC, but IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
The comparison coordinates two claims about the subject. Waxed leaves cause water to form round dropletsPunctuation boundary blank: _____ and matte leaves spread water across a larger area.
Independent Clause (independent)
Independent Clause (independent)
A comma precedes the coordinating conjunction that joins two independent clauses.
Incorrect. A semicolon is not used immediately before this coordinating conjunction in the tested structure.
Incorrect. The second clause is coordinated, not introduced as an elaboration.
Incorrect. The two independent clauses joined by the conjunction require a comma.
Correct. The comma correctly precedes a coordinating conjunction joining independent clauses.
A comma precedes the coordinating conjunction that joins two independent clauses. The conventionally completed text reads: “Waxed leaves cause water to form round droplets, and matte leaves spread water across a larger area.”
IC, and IC
independent clause → independent clause
A comma precedes the coordinating conjunction that joins two independent clauses.
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Use the results to decide what to review before your next attempt.
No mistakes this time. Excellent work.