Punctuation Rule: Essential and Nonessential Clauses Quiz

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| Questions: 15 | Updated: Jan 8, 2026
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1. Which sentence correctly uses an adjective clause?

Explanation

Who is correct for people.

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About This Quiz
Punctuation Rule: Essential And Nonessential Clauses Quiz - Quiz

Commas matter—especially in adjective clauses! In this essential nonessential clauses quiz, you'll focus on the crucial punctuation rule for these structures. You'll practice determining if the information is essential (no commas) or nonessential (use commas) to the meaning of the sentence.

2. Which sentence contains a nonessential adjective clause?

Explanation

The clause adds extra, nonessential information and uses commas.

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3. What punctuation is required for nonessential adjective clauses?

Explanation

Nonessential clauses are set off by commas.

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4. Which revision corrects the sentence? Original: The movie which we watched it was exciting.

Explanation

Remove the extra pronoun it.

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5. Which sentence incorrectly uses that?

Explanation

Who is preferred for people.

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6. Which adjective clause best completes the sentence? The team ___ practiced the most won the game.

Explanation

Which refers to a group or thing.

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7. Which sentence is incorrect?

Explanation

Reason why does not need it.

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8. Which word best completes the sentence? The artist ___ paintings are famous lives here.

Explanation

Whose shows possession.

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9. Which sentence correctly uses commas?

Explanation

Nonessential clauses require commas.

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10. Which adjective clause modifies teacher?

Explanation

Who explained the lesson describes teacher.

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11. Which sentence avoids ambiguity?

Explanation

Clear placement avoids confusion.

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12. Which relative pronoun refers to a place?

Explanation

Where refers to locations.

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13. Which revision fixes the error? Original: The teacher whose I respect helped me.

Explanation

Who replaces whose when possession is not shown.

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14. Which sentence correctly uses when?

Explanation

When refers to time.

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15. Revising adjective clauses improves writing by

Explanation

Clear adjective clauses improve precision.

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Which sentence correctly uses an adjective clause?
Which sentence contains a nonessential adjective clause?
What punctuation is required for nonessential adjective clauses?
Which revision corrects the sentence? Original: The movie which we...
Which sentence incorrectly uses that?
Which adjective clause best completes the sentence? The team ___...
Which sentence is incorrect?
Which word best completes the sentence? The artist ___ paintings are...
Which sentence correctly uses commas?
Which adjective clause modifies teacher?
Which sentence avoids ambiguity?
Which relative pronoun refers to a place?
Which revision fixes the error? Original: The teacher whose I respect...
Which sentence correctly uses when?
Revising adjective clauses improves writing by
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