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