Ответ:

1. played

2. was playing

3. was playing

4. were playing

5. was doing

6. were doing

7. wasn't sleeping

8. did he do, read

9. was he doing , was reading

10. Was she sleeping

11. didn't play, played

12. wasn't playing, was playing

13. was cooking

14. was cooking

15.  washed

16.  were washing

17. Did you do

18. were doing

19. was she sleeping

20. was sitting

Объяснение:

вроде бы все верно)