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Punctuation and Sentence Structure Flashcards

6 cards from real AST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Punctuation and Sentence Structure flashcards as text
  1. Which sentence uses a comma correctly?

    Answer: She went to the store, and she bought milk.

    A comma is used before a coordinating conjunction (and, but, or) joining two independent clauses.

  2. Which of the following is a sentence fragment?

    Answer: Running through the park in the rain.

    A fragment lacks a subject or verb. 'Running through the park in the rain' has no independent subject-verb pair.

  3. What punctuation mark correctly joins two independent clauses without a conjunction?

    Answer: Semicolon

    A semicolon connects two closely related independent clauses without a conjunction.

  4. Which sentence contains a run-on error?

    Answer: It was raining we stayed inside.

    'It was raining we stayed inside' fuses two independent clauses without punctuation or a conjunction.

  5. In the sentence 'My brother, who lives in Denver, is a doctor,' the commas set off a:

    Answer: Nonrestrictive clause

    Nonrestrictive (nonessential) clauses add extra information and are set off by commas.

  6. Which sentence uses an apostrophe correctly?

    Answer: The students' projects were excellent.

    'Students'' shows correct plural possessive. 'Its' (possessive) never uses an apostrophe.

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Sources & references

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  1. bsss.act.edu.au — Eligibility, exam format, passing score · verified Oct 2026
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