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