26.didn't play

27.did you eat

28.drank

29.did he give to

30. received/ died

31.began

32. read

33.was you meet

34.learned

35.was

36. was

37. did you do

38. finished

39.was he leaves

40.were/ was

Ex2:

1.was going

2. was attending 

3. was standing 

4.was riding

5. were live

6. was walking

7.was going

8.was studying/ were having

9.were sitting

10. were playing

11. was preparing

12.were playing

ảnh thứ 2:

1. studied/ was

2.did he leave

3.spent

4.moved

5.went

6.drove

7.walked

8.stopped/ bought

9.didn't go/ was

10.did you do/ did

11.loved

12.got up/ had

13.went

14.had

15.were

16.bought

17. ate

18.talked

19.returned

20. didn't study

21.travelld

22. didn't watch

23.did she teach

24.didn't think / was

25.liked/ was

26.didn't play

26. didn't play

27. do you eat

28. drank

29. did he give

30. received/ died