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.
- Space travel, however, is going to be as normal as flying in an airplane.
- You didn't like the ending of the movie, did you?
Dates
We use commas between information in dates.
- Humans first landed on the moon on July 20, 1969.
Addresses
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