Exercise 2: Change the following sentences to the passive form:
1. Are you going to mail these letters soon?
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2. Scientists began to carry out researches on SIDA two years ago.
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3. I can assure you I will arrange everything in time.
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4. What ought we to do about this?
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5. It is time they brought the cows in.
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6. What questions did the examiner set?
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7. Somebody must do something for these poor men.
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8. The teacher promised Jane a prize if she worked well.
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9. I hate people looking at me.
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10. Teachers should make lessons more interesting for school children.
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Exercise 4: Put the verbs into correct forms
1. People tend (think)...............................that the problem will never affect them.
2. My parents advised me (learn)..............................English as soon as possible.
3. Many young people spend the whole day (play)...............................online games.
4. It took me a whole day (travel)...............................to Da Lat last week.
5. I can’t see the attraction of (sit)...............................on a beach all day.
6. A positive aspect of education is that it contributes to (confirm)...............................one’s identity.
7. I like to listen to the birds (sing)...............................when I get up early in the morning.
8. The team has tried their best (perform)...............................in the final round.
9. Do the plants need (water)...............................every day?
10. If you can, please (give)..................me more information about the kids club at A1Raha Beach Hotel.
Exercise 5: Rewrite these sentences using words given
1. There are asthma, allergies and other respiratory illnesses when air pollution happens. (leads to)
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2. Aquatic life suffers or dies because there is thermal pollution. (because of)
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3. Water in the Cau River becomes brown and has terrible smell because the wasted water is released from the
paper mill in Thai Nguyen City. (so).
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4. People use too much herbicide to treat weeds, so water in rivers, canals, lakes are extremely polluted and has
bad effects on people’s health. (because)
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5. Many fish in the river die due to the increased temperature of water. (because)
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6. Because plastic bags take so long to decompose, nearly all of them still exist in the environment today. (so)
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Chuyển sang câu bị động: 1. You ought to water these plants once a week.
-> These plants ought to be watered once a week. 2. Are you going to mail these letters soon.
-> Are these letters going to be mailed soon? 3, people will make television programmes more interesting for children
-> Television programmes will be made more interesting for children. 4. They will look after him well.
-> He will be looked after well. 5. Someone will serve tea.
-> Tea will be served. 6. People must not leave bicycles in the hall
-> Bicycles mustn't be left in the hall. 7. Mr Green used to take his children to the circus.
-> Mr. Green's children used to be taken to the circus. 8. Members may keep books for three weeks
-> Books may be kept for three weeks.