Reading & Writing · SAT Practice

Free SAT Grammar & Usage Practice Questions

SAT Grammar & Usage (Standard English Conventions) tests your knowledge of punctuation, sentence boundaries, subject-verb agreement, pronoun agreement, verb tense, modifier placement, and parallel structure. These questions have clear right and wrong answers based on grammar rules.

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What's Covered

Comma usage and punctuation
Colons, semicolons, and dashes
Sentence boundaries (run-ons and fragments)
Subject-verb agreement
Pronoun agreement and case
Verb tense and form
Modifier placement
Parallel structure

Sample Question

Which choice correctly uses punctuation in this sentence? "The researchers however found no significant difference between the groups."

AThe researchers however, found no significant difference between the groups.
BThe researchers, however, found no significant difference between the groups.
CThe researchers, however found no significant difference between the groups.
DThe researchers however found, no significant difference between the groups.

Explanation

Interruptive words like "however" should be set off with commas on both sides when they interrupt the main clause.

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700+
Grammar & Usage questions
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Frequently Asked Questions

What grammar rules are most tested on the SAT?

Comma usage, subject-verb agreement, and sentence boundaries appear most frequently. Mastering these three covers a large portion of Grammar questions.

How many grammar questions are on the SAT?

Standard English Conventions makes up about 25% of the Reading & Writing section — roughly 11–12 questions.

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