1. am not drinking ; am writing
2. don't drink ; drink
3.are your friend doing.....?
4. does your friend goes
5. is. sleeping
6. sleeps
7. doesn't
8. isn't sleeping ;is working
9. get up
10. is doing ; is washing
11. come ; come
12.works ;works
13. studies ; studies
14. goes
15. isn't playing ; plays