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Punctuation & Capitalization

Punctuation in Parentheses

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Parentheses (these: ( )) are used to add extra information in a sentence. But where does the punctuation go: inside or outside? Here are the rules.

1. If the parentheses contain a full sentence

When the sentence inside the parentheses is complete and stands on its own, the period goes inside.

  • He took the bus. (She walked instead.)

2. If the parentheses are part of a larger sentence

If the words in parentheses are just a part of the full sentence, the period goes outside.

  • We had pizza for dinner (with extra cheese).

3. What about question marks and exclamation points?

They go inside the parentheses if they belong only to the words inside. The main sentence still ends with its own period.

  • He said he didn’t take the last slice (but did he?).
  • We missed the train (again!).

4. No comma before parentheses, but it’s okay after

Don’t place a comma before parentheses, but placing one after is fine if the sentence needs it.

  • ✅ We left early (the event was delayed), so we grabbed coffee.
  • ❌ We left early, (the event was delayed) so we grabbed coffee.

💡 Tip

  • A full sentence alone in parentheses → the period goes inside.
  • Extra words inside a sentence → the period or comma goes outside.
  • A question mark or exclamation point that belongs to the words in parentheses → inside.

Test your knowledge 📝

Question 1 sur 8Score: 0/8

Which version is punctuated correctly?

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