Unit 11.1



A comma is a punctuation mark used to indicate division.


The comma mark is: ,


  • Coordinating clauses with different subjects
    • Monica went to church, and John stayed at home.
    • I will do the shopping for my grandmother, or someone else will help her.
    • I was afraid to do a bungee jump, but my boyfriend convinced me to do it.
  • Writing direct speech
    • He replied, ‘I didn’t do it’.
    • ‘I don’t want to spend all summer at home’, she said.
    • ‘I’ve never seen such a beautiful woman before,‘ he whispered.


Commas can be used

  • in coordinated clauses separated by ‘and’, ‘or’, ‘but’ only when both clauses have different subjects.**
  • in writing direct speech to separate normal speech from direct speech. When normal speech is placed before the direct quote, the comma goes at the end of the normal speech part; when normal speech is placed afterwards, the comma is just after the end of the quote.

**A comma is never written when the sentences share the subject

More exercises


External link to Comma exercises (1201).



  • Comma from English Orthography A2 Level.
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