| A | B |
|---|
| Comma between day and year in a date | June 4, 2004 |
| Comma between city and state | Brownsville, Texas |
| Comma before a direct quotation | Mother asked, "Who wants to get ice cream?" |
| Comma between 3 or more words, phrases, or clauses written in a series. | Jose, Teresa, and Claudia are related. |
| Comma when beginning sentences with introductory words such as well, no, or yes. | Yes, I need to finish writing the report. |
| Comma after introductory clauses, phrases or words that come before the main clause | While I was eaten, the cat scratched at the door. |
| Use a pair of commas in the middle of a sentence to set off clauses, phrases, and words that are not essential to the meaning of the sentences | I am, as you ave probably noticed, very nervous. |
| Comma when a participle phrase is used at the beginning of a sentence | Walking slowly, I could see the beautiful flowers. |
