In Unit 7, you learned three rules for using a comma. Here are four more rules:
Adding and Interrupting
We use commas to add extra words, phrases or clauses into the middle, or at the end, of a sentence.
- Pilotless aircraft, however, is going to be as normal as flying in a today's airplane.
- You didn't like the ending of the airspace documentary, did you?
Dates
We use commas between information in dates.
- Humans first landed on the moon on July 20, 1969.
Addresses
Unlock full access by logging in. Registered users can explore the entire lesson and more.