1) played
2)was playing
3)was playing
4)were playing
5)didn't play / played
6)wasn't playing / was playing
7)was cooking
8)cooked
9)washed
10)were washing
11)did
12)were doing
13)was sleeping
14)set
15)was doing
16)were doing
17)wasn't sleeping
18)did / read
19) was doing / was reading
20)was sleeping / was knitting
