I. Change the following sentences from active voice into passive voice.
1.They had to cancel the flight because of the bad weather.
2.We must finish the project on time.
3. People can find a cure for cancer in the near future.
4.Someone might steal your bike if you leave it outside.
5. They ought to knock down the old building.
6. They held the 22 nd SEA Games in Viet Nam in 2003.
7. The teacher will explain the lesson until all the students understand it.
8. He has done his homework for hours but he hasn’t finished it yet.
9. My parents never make me work hard.
10. The brick – layers have been building a house in the village.
11. One of my neighbors has stolen my bicycle.
12. I have a hairdresser do my hair every day.
13. How often do you take the dog oout for a walk? – Every five hours.
14. My brother will give me a cat for my fifteenth birthday.
15. People rumoured that the King was afraid of his wife.
16. I am going to read her latest book.
17.They should tidy this room twice a week
18. Amazing news! Scientists have dicovered a new planet.
19. She made ten phone calls yesterday.
20.My daughter has to finish all her homework before school.
21. My sister gave me a new pair of jeans on my fifteenth birthday.
22. The workers are building a supermarket on our street.
23. The zoo keepers feed the animals twice a day.
24.They have sold their car to pay their debt.
25. We are going to grow flowers in the front garden.
26. You mustn’t use this machine after 5.30 pm
27. My grandmother is knitting a new sweater for me.

28. Did people make jeans two hundred years ago.
29.We don’t use this kind of cloth to make shirts.
30. Vietnamese women continue to wear the unique and fashionable ao dai.
31. The mechanic is repairing Judy’s car.
32. We must do something before it is too late.
33. They make these artificial flowers of sink.
34. Did they feed Lulu last night?
35. They used to drink beer for breakfast in England yeaers ago.
36. They were cleaning the floor when I arrived.
II. Change the following sentences from the passive voice into active voice.
1. The robber were arrested by the police yesterday. ->
2. The match has been cancelled due to the bad weather. ->
3. The flowers need watering. ->
4. The documents will be sent as soon as possible. ->
5. We are often shouted at at work by our boss. ->
6. Two department stores have been built in the neighborhood this year.
7. I was made to wash the clothes by my mother.
8. She has her clothes made by a famous tailor.
9. It was believed that the earth was square.
10. He was rumoured to be mysterious.
11. I was given a new pair of jeans on my fifteenth birthday by my sister.
12. A supermarket on our street is being built on our street by the workers.
13. The animals are fed twice a day by the zoo keepers.
14.Their car has been sold to pay their debt by them.
15. Flowers are going to be grown in the front garden by us.
16. This machine mustn’t be used after 5.30 pm by you.
17. Is knitting a new sweater is being knitted for me by my grandmother.
18. Were jeans made two hundred years ago?
19.This kind of cloth isn’t used to make shirts by us.
20. The unique and fashionable ao dai continue to be worn by Vietnamese women.
22. The information is kept on our computer. (We)
23. As I was walking home, I thought I was being followed. (someone)