| A | B |
|---|
| Commas in a series | Red, white, and blue are the colors of the American flag. |
| Comma in an introductory dependent clause | Because Angie is the class president, she delivered the welcome address to the assembly. |
| Comma used with an introductory word. | No, we won't be going to the party. |
| Comma used with sentence interrupters. | The job, however, will not be difficult. |
| Comma used with degree or title. | Have you met Billy Smith, D.D.S.? |
