Exercise 2: Change the following sentences to the passive form:
1. Are you going to mail these letters soon?
→ Will these letters be mailed soon by you?
2. Scientists began to carry out researches on SIDA two years ago.
→ Researches on SIDA were begun by scientists two years ago.
3. I can assure you I will arrange everything in time.
→ You can be assured that everything will be arranged in time by me.
4. What ought we to do about this?
→ What ought to be done about this?
5. It is time they brought the cows in.
→ It is time for the cows to be brought in.
6. What questions did the examiner set?
→ What questions were set by the examiner?
7. Somebody must do something for these poor men.
→ Something must be done for these poor men.
8. The teacher promised Jane a prize if she worked well.
→ Jane was promised a prize if she worked well by the teacher.
9. I hate people looking at me.
→ I hate being looked at by people.
10. Teachers should make lessons more interesting for school children.
→ Lessons should be made more interesting for school children by teachers.
Exercise 4: Put the verbs into correct forms
1. People tend (think) to think that the problem will never affect them.
2. My parents advised me (learn) to learn English as soon as possible.
3. Many young people spend the whole day (play) playing online games.
4. It took me a whole day (travel) to travel to Da Lat last week.
5. I can’t see the attraction of (sit) sitting on a beach all day.
6. A positive aspect of education is that it contributes to (confirm) confirming one’s identity.
7. I like to listen to the birds (sing) sing when I get up early in the morning.
8. The team has tried their best (perform) to perform in the final round.
9. Do the plants need (water) to be watered every day?
10. If you can, please (give) 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)
→ Air pollution leads to asthma, allergies, and other respiratory illnesses.
2. Aquatic life suffers or dies because there is thermal pollution. (because of)
→ Aquatic life suffers or dies because of thermal pollution.
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).
→ So, the water in the Cau River becomes brown and has a terrible smell because the wasted water is released from the paper mill in Thai Nguyen City.
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)
Water in rivers, canals, lakes is extremely polluted and has bad effects on people’s health because people use too much herbicide to treat weeds.
5. Many fish in the river die due to the increased temperature of water. (because)
→ Many fish in the river die due to the increased temperature of water because.
6. Because plastic bags take so long to decompose, nearly all of them still exist in the environment today. (so)
→ So, nearly all of the plastic bags still exist in the environment today because they take so long to decompose.
