PSAT Writing : Identifying Subject-Verb Agreement Errors

Study concepts, example questions & explanations for PSAT Writing

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Example Questions

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Example Question #61 : Identifying Subject Verb Agreement Errors

Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.

Many students have trouble learning the order of operations in math, which have led to the creation of many mnemonic devices to help them remember it. No error

Possible Answers:

math, which

Many students have

No error

many mnemonic devices

have led to

Correct answer:

have led to

Explanation:

"Have led" refers to "the order of operations," or more specifically, "order," a singular noun. "Have" is a verb that is used with plural nouns, so it does not agree with the singular "order." To fix the sentence, "have" would need to be changed to "has."

Example Question #65 : Identifying Subject Verb Agreement Errors

Select the underlined word or phrase that needs to be changed to make the sentence correct. Some sentences contain no error at all.

We have all been taught that dinosaurs is a types of reptile that went extinct a long time ago. No error

Possible Answers:

No error

is a

dinosaurs

have all been

that

Correct answer:

is a

Explanation:

"Dinosaurs" is in its plural form, and needs to be accompanied by a verb also in the plural form. Thus, "is a" contains the sentence's error, and should be changed to "are."

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