1isn't working
2was waiting
3takes
4were sitting
5is making
6go
7hadn't been working
8had written
9am learning
10were
11didn't speak
12Is he playing the piano now?
13doesn't speak
14were the musician playing the piano
when we came in?
15bought
16doesn't smoke
17weren't walking
18does he like ballroom dancing?
19has come(пришла)
20she has already finished...
21didn't leave
22will your parents drink strong coffee
tomorrow?