1. visits

2. Did Nam do

3. work

4. is ironning

5. becomes

6. came

7. have just sent

8. has been working/ has work

9. graduated

10. is tidied (câu bị động_ Căn phòng được dọn dẹp vào mỗi buổi chiều)

11. was cooking/ came

12. is attending

13. will help/ needs

14. will have travelled

15. spent/ gardening

16. working

17. to visit

18. make

19. helping hoặc to help đều được

20. taking

21. doing

22. play

23. to watch

24. socialising

25. surfing

26. gets

27. received

28. have ever seen

29. will be writing

30. are you doing/ am learning

31. haven't seen/ left

32. wait

33. is going to rain

34. haven't been invited

35. went/ had thought

36. is getting

37. have been trying

38. goes

39. haven't eaten

40. bought

41. am studying/ haven't spoken

42. works/ am having

43. teaches/ are not working

44. make

43. don't live/ live

44. covers