How it works. Click between words where a comma belongs. Click the comma slot again to remove it. Use the rules below as your guide.
The 6 comma rules covered
- Lists of 3+ items: red, white, and blue.
- Compound sentences with FANBOYS (for, and, nor, but, or, yet, so) joining two independent clauses.
- After an introductory clause/phrase: After the game, we got pizza.
- Around extra information (non-essential clauses): My brother, who lives in Ottawa, is visiting.
- Direct address: Please sit down, Mary.
- Dates and locations: July 1, 2026, in Toronto, Ontario.