Underline the correct been form in the following sentences

1 speaks

2 don't understand

3 i'm waiting

4 do you like

5 are coming

6 are you doing / am writing

7 drive

8 are you enjoying / yes I am

9 does she need / no she doesn't

1. he speaks2. don't understand 3. I'm waiting4. do you like 5. we are coming6. are you doing I'm writing 7. do Americans drive8.are you enjoyingI am9. does she needno she doesn't