Change these sentences into the passive voice

Part F : Questions

26. Is she preparing the party ?

27. Where did they take these bags to ?

28. Must the manager sign the cheque ?

29. Did Thomas Edison invent the telephone?

30. How do people make candles ?

Change these sentences into the passive voice

Part E : Modal Verbs

21. We won't hold the meeting tonight

22. They can't hold the seminar in the hall

23. Bill has to pay the bill before the second of the month

24. We must warn them of the danger

25. They should send it to us immediately

Change these sentences into the passive voice

Part D : Present perfect tense

16. Pollution from factories has destroyed many lakes and rivers

17. My brother hasn't finished his exercises

18. They have discovered oil at the North Pole

19. Nam's father has just bought another villa

20. We haven't seen her since we left school

Change these sentences into the passive voice

Part D : Present Perfect tense

16. Pollution from factories has destroyed many lakes and rivers

17. My brother hasn't finished his exercises

18. They have discovered oil at the North Pole

19. Nam's father has just bought another villa

20. We haven't seen her since we left school

Change these sentences into the passive voice

Part B : Simple past tence

6. We heard the sound of music

7. The police arrested ten men

8. She didn't send that letter yesterday

9. Columbus discovered America in 1492

10. The docter ordered him to take a long rest