Ex. 1: Change these sentences into the passive form: 1. The milkman brings bottles of milk to the house. →Bottles of milk are brought to the house by the milkman. 2. How do people learn languages? →How are people learnt languages? 3. John will collect me at the airport. →I will be collected at the airport by John. 4. The manager must sign the cheque. →The cheque must be signed by manger. 5. They kept me waiting for the half an hour. → 6. They are building a new ring road round the city. → 7. We can’t wear jeans at work. → 8. Will you invite her to your birthday party? → 9. They have built a new hospital near the airport. → 10. Do they speak French and English in Canada? → 11. They made jeans from denim. → 12. They will introduce a new style of jeans in Vietnam. → 13. Do they sell computers in the supermarket? → 14. Will they open the new hospital next month? → 15. The staff is going to explain the problem to the president. → 16. They will help you with your homework tonight. → 17. The director made an important announcement on TV last night. → 18. They have provided thousands of people with food. → 19. He sold his old car and bought a new one. → 20. He is writing another book about science. → 21. My students are doing exercises 5 on page 40 right now. → 22. I often visit her twice a week. → 23. She told us an interesting story. → 24. My father used to take me to the place when I was young. → 25. What will you do if you finish writing the book? → 26. We were driving a car when we saw an accident. → 27. You must make a decision as soon as possible. → 28. She doesn’t watch TV at night. → 29. Did they finish their work yesterday? → 30. You ought to show him how to use this computer. → 31. Naturally, they speak English very well. → 32. Have you told them the truth about the accident? → 33. Is she listening the folk song? → 34. I think she is honest. →

Phương pháp làm:
- Đầu tiên, xác định chủ từ của câu gốc trong dạng chủ ngữ (một người, một nhóm người hoặc một vật hay sự vật).
- Sau đó, xác định động từ trong dạng bị động (be + pp2 của động từ chính).
- Tiếp theo, xác định giới từ (nếu có) và từ chức năng khác để đưa vào câu bị động.
- Cuối cùng, thay đổi thứ tự từ và đảo giới từ (nếu có) nếu cần thiết.

Các câu trả lời:
5. I was kept waiting for half an hour.
6. A new ring road round the city is being built.
7. Jeans can't be worn at work.
8. Will she be invited to your birthday party?
9. A new hospital near the airport has been built.
10. Is French and English spoken in Canada?
11. Jeans were made from denim.
12. A new style of jeans will be introduced in Vietnam.
13. Are computers sold in the supermarket?
14. Will the new hospital be opened next month?
15. The problem is going to be explained to the president by the staff.
16. You will be helped with your homework tonight.
17. An important announcement on TV was made by the director last night.
18. Thousands of people have been provided with food.
19. His old car was sold and a new one was bought.
20. Another book about science is being written by him.
21. Exercises 5 on page 40 are being done by my students right now.
22. She is often visited twice a week by me.
23. We were told an interesting story by her.
24. I used to be taken to the place by my father when I was young.
25. What will be done if you finish writing the book?
26. An accident was seen while we were driving a car.
27. A decision must be made as soon as possible by you.
28. TV isn't watched at night by her.
29. Was their work finished yesterday?
30. He ought to be shown how to use this computer.
31. English is naturally spoken very well by them.
32. Has the truth about the accident been told to them by you?
33. Is the folk song being listened to by her?
34. She is thought to be honest.

The cheque must be signed by the manager.

I will be collected at the airport by John.

Languages are learned by people.

Bottles of milk are brought to the house by the milkman.