Turn into the passive

1. I do homework every day

2. I'm doing homework now

3. I have just done homework

4. I have been doing homework since 8p

5. I did homework yesterday

6. I was doing homework when he came

7. I had done homework before he came

8. I'll do homework when I come back

9. I'll be doing homework from 8 to 9pm tomorrow

10. I'll be have done homework by the time when my father comes back

11. Don't come at 10pm , I will be writing him a letter then

12. Sommil helps me a lot with my English

13. They grow a large vvariety of vegetables in the field

14. My mother folds the blankets for me in the morning

15. A lot of journalists are taking photographs of him now

16. Tom is making some difficult calculations

17. The school has already announced the changes of the timetable

18. We have just learnt the last lessons in the English 10

19. Peter has just telephoned me about his exam results

20. They gave us fresh flowers when we arrived at the airport

21. She bought a lot of butter yesterday

22. I was preparing for the new lesson when the electricity went out

23. People learn English worldwide

24. She had prepared everything by the time when we came

25. They had drunk some of coffee before leaving the shop

26. Tom will make an important decision before he leaves the job

27. My father is going to hold a big party next week

28. They are going to take an important exam tomorrow

29. He didn't buy that car because he didn't bring enough money with him

30. Mary won't take up that duty

31. They are not selling these types of book nowadays

32. He hasn't completed his house yet

33. I haven't sent the letter yet

34. They don't make planes in this factory

35. I can lift 100kg

36. Jane could speak Chinese after 3 months of studying

37. We should protect endangered animals to balance our ecosystem

38. They must clean the house before father comes back

39. I think Tom will give us a hand

40. In water polo, you can't push or keep the ball with both hands