Textbook Practice • Interactive Exercises
| I | am | (I'm) |
|---|---|---|
| he / she / it | is | (he's / she's / it's) |
| we / you / they | are | (we're / you're / they're) |
| Full | Short |
|---|---|
| I am not | I'm not |
| he is not | he isn't / he's not |
| we are not | we aren't / we're not |
Unit 1: am/is/are • Interactive Textbook Practice