GMAT Verbal : Correcting Comma Errors

Study concepts, example questions & explanations for GMAT Verbal

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Example Questions

Example Question #31 : Correcting Comma Errors

Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.

The company adopted a new plan of action: they were about to acquire several smaller competitors.

Possible Answers:

The company adopted a new plan of action: it was about to acquire several smaller competitors.

The company adopted a new plan of action: them were about to acquire several smaller competitors.

The company adopted a new plan of action: it were about to acquire several smaller competitors.

The company adopted a new plan of action: they were about to acquire several smaller competitors.

The company adopted a new plan of action: they was about to acquire several smaller competitors.

Correct answer:

The company adopted a new plan of action: it was about to acquire several smaller competitors.

Explanation:

The word "company" is an example of a collective noun. Even though it may possibly refer to many different individuals, it is singular grammatically. The correct answer choice is "The company adopted a new plan of action: it was about to acquire several smaller competitors."

Example Question #32 : Correcting Comma Errors

Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.

She kept jewelry which she got on her travels in her dresser.

Possible Answers:

She kept, jewelry which she got on her travels in her dresser.

She kept jewelry, which she got on her travels, in her dresser.

She kept jewelry; which she got on her travels; in her dresser.

She kept, jewelry, which she got on her travels in her dresser.

She kept jewelry which she got on her travels in her dresser.

Correct answer:

She kept jewelry, which she got on her travels, in her dresser.

Explanation:

The phrase "which she got on her travels" is an example of a relative clause, which gives more information about its antecedent: keepsakes. Any such phrase that occurs in the middle of a sentence must be introduced and completed with a comma. The correct answer choice is "She kept jewelry, which she got on her travels, in her dresser."

Example Question #33 : Correcting Comma Errors

Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.

The secretary was useless without his own laptop, it contained all the notes and schedules he needed to do his job effectively.

Possible Answers:

The secretary was useless without his own laptop; it contained all the notes and schedules he needed to do his job effectively.

The secretary was useless without his own laptop it contained all the notes and schedules he needed to do his job effectively.

The secretary, useless without his own laptop, it contained all the notes and schedules he needed to do his job effectively.

The secretary was useless without his own laptop, it contained all the notes and schedules he needed to do his job effectively.

The secretary was useless without his own laptop: it contained all the notes and schedules he needed to do his job effectively.

Correct answer:

The secretary was useless without his own laptop; it contained all the notes and schedules he needed to do his job effectively.

Explanation:

The original sentences is a comma splice. The two clauses (on either side of the comma) are both independent clauses - meaning each could stand on its own as a full sentence. Since this is the case, they cannot be joined by just a comma. To work, it would need either a semicolon (the correct choice here) or a comma with a coordinating conjunction.

Example Question #34 : Correcting Comma Errors

Replace the underlined portion with the answer choice that is clear, precise, and meets the requirements of standard written English.

The mayoral candidate was extremely out of touch with his voter base, his campaign ads made him even less attractive an option to the town's residents.

Possible Answers:

The mayoral candidate was extremely out of touch with his voter base; his campaign ads made him even less attractive an option to the town's residents.

The mayoral candidate was extremely out of touch with his voter base, whose campaign ads made him even less attractive an option to the town's residents.

The mayoral candidate was extremely out of touch with his voter base, the campaign ads of which made him even less attractive an option to the town's residents.

The mayoral candidate, extremely out of touch with his voter base, his campaign ads made him even less attractive an option to the town's residents.

The mayoral candidate was extremely out of touch with his voter base, his campaign ads made him even less attractive an option to the town's residents.

Correct answer:

The mayoral candidate was extremely out of touch with his voter base; his campaign ads made him even less attractive an option to the town's residents.

Explanation:

As written, this sentence contained a comma splice. A comma cannot be used to separate two independent clauses without a conjunction. In this instance, the best option is the one containing a semicolon, which is the appropriate punctuation to use when dividing two independent clauses with different subjects such as these. 

Example Question #35 : Correcting Comma Errors

Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.

The manufacturer recalled the product but most customers did not bother to get it fixed.

Possible Answers:

recalled the product, but most customers did not bother

recalled the product, but most customers did not bother,

recalled, the product but most customers did not bother

recalled, the product but most customers did not bother,

recalled the product but most customers, did not bother

Correct answer:

recalled the product, but most customers did not bother

Explanation:

In this sentence, two independent clauses are being joined by a coordinate conjunction. When this occurs, a comma must come before the coordinate conjunction. The correct answer choice is "recalled the product, but most customers did not bother."

Example Question #36 : Correcting Comma Errors

Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.

The man decided to change his morning routine which he had had since childhood because he wanted to try something new.

Possible Answers:

The man decided to change, his morning routine which he had had since childhood because he wanted to try something new.

The man decided to change his morning routine which he had had since childhood, because he wanted to try something new.

The man decided to change his morning routine, which he had had since childhood because he wanted to try something new.

The man decided to change his morning routine, which he had had since childhood, because he wanted to try something new.

The man decided to change his morning routine which he had had since childhood because he wanted to try something, new.

Correct answer:

The man decided to change his morning routine, which he had had since childhood, because he wanted to try something new.

Explanation:

The phrase "which he had had since childhood" is an example of a relative clause, which gives more information about its antecedent: the man's routine. Any such phrase that occurs in the middle of a sentence must be introduced and completed with a comma. The correct answer choice is "The man decided to change his morning routine, which he had had since childhood, because he wanted to try something new."

Example Question #36 : Correcting Comma Errors

Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.

On his days off, Mark likes to go to the park and he likes to feed the birds.

Possible Answers:

Mark likes to go to the park, and he likes to feed the birds.

Mark likes to go to the park and he likes to feed the birds.

Mark likes, to go to the park and he likes, to feed the birds.

Mark, likes to go to the park and he likes to feed the birds.

Mark likes to go to the park and he likes, to feed the birds.

Correct answer:

Mark likes to go to the park, and he likes to feed the birds.

Explanation:

In this sentence, two independent clauses are being joined by a coordinate conjunction. When this occurs, a comma must come before the coordinate conjunction. The correct answer choice is, "Mark likes to go to the park, and he likes to feed the birds."

Example Question #162 : Correcting Punctuation Errors

Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.

The woman's new home which was on the outskirts of the city was very close to her workplace.

Possible Answers:

The woman's new home, which was on the outskirts of the city, was very close to her workplace.

The woman's new home, which was on the outskirts, of the city was very close to her workplace.

The woman's new home which was on the outskirts of the city was very close, to her workplace.

The woman's new home, which was on the outskirts of the city was very close, to her workplace.

The woman's new home, which was on the outskirts of the city was very close to her workplace.

Correct answer:

The woman's new home, which was on the outskirts of the city, was very close to her workplace.

Explanation:

The phrase "which was on the outskirts of the city" is an example of a relative clause, which gives more information about its antecedent: "home." Any such phrase that occurs in the middle of a sentence must be introduced and completed with a comma. The correct answer choice is "The woman's new home, which was on the outskirts of the city, was very close to her workplace."

Example Question #37 : Correcting Comma Errors

Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.

The woman worked with most of her clients remotely so her schedule was usually very flexible.

Possible Answers:

The woman worked with most of her clients remotely so her schedule was usually very flexible.

The woman worked with, most of her clients remotely, so her schedule was usually very flexible.

The woman worked with most of her clients remotely, so her schedule was usually very flexible.

The woman worked, with most of her clients remotely so her schedule was usually very flexible.

The woman worked with most of her clients remotely so her schedule was usually very, flexible.

Correct answer:

The woman worked with most of her clients remotely, so her schedule was usually very flexible.

Explanation:

In this sentence, two independent clauses are being joined by the coordinate conjunction "so." When this occurs, a comma must come before the coordinate conjunction. The correct answer choice is "The woman worked with most of her clients remotely, so her schedule was usually very flexible."

Example Question #38 : Correcting Comma Errors

Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.

In the next year, she hopes to get a promotion and she plans to take on much more responsibility at work.

Possible Answers:

she hopes to get a promotion, and she plans to take on much more responsibility at work.

she hopes to get a promotion and she plans to take on much more responsibility at work.

she hopes to get a promotion, and she plans to take on much, more responsibility at work.

she hopes to get a promotion, and she plans to take on much more responsibility, at work.

she hopes, to get a promotion and she plans, to take on much more responsibility at work.

Correct answer:

she hopes to get a promotion, and she plans to take on much more responsibility at work.

Explanation:

In this sentence, two independent clauses are being joined by the coordinate conjunction "and." When this occurs, a comma must come before the coordinate conjunction. The correct answer choice is "she hopes to get a promotion, and she plans to take on much more responsibility at work."

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