Change the following sentences into passive voice. A. Modal verbs and future tense. 1. They will post your letter tomorrow. 2. They will ask you a lot of questions at the interview. 3. She can finish this work in time 4. They will finish the work next week 5 . Pupils must obey all the rules. 6. People should clean the windows every week. 7. Someone will drive your car to London on Tuesday. 8. In this August, they will build a new house. 9. My mother could take the lady to station. 10. You must answer all the questions on the paper . 11. You must plan your work carefully. B. Present Continuous: 1. My friends are washing their bikes. 2. He is not repairing his car. 3. We are searching their house. 4. Are they watching an Italian film ? 5. I am making a birthday cake. 6. My mother is planting flowers in the garden. 7. Her sister is cooking lunch in the kitchens. 8. The children are playing football at this time. 9. I am cleaning the floor. 10. We are writing a new novel. C. Past Continuous: 1. Tom was writing a letter to his parents at this time yesterday. 2. The police were asking the thief at 4 pm last Monday . 3. They were doing their homework at that time . 4. They were decorating their classroom when she came. 5. Was your brother telling stories when you phoned? 6. She wasn't watering flowers at 3am yesterday. 7. I was making cakes when the lights went out. 8. Our teacher was explaining a difficult exercise at 4 pm 2 days ago. D. Special: 1. They are going to take their children to the zoo . 2. I am going to sell my old motor. 3. The man is going to repair our house . 4. We have to help him. 5. The little boy used to steal things. 6. They are going to paint the ceiling pink. 7. She has to cook dinner before five o'clock 8. You have to water the flowers everyday. 9. My mother used to sell vegetables. 10. I used to read detective stories. E. MIXED EXERCISE 1. The teacher returned my test yesterday. 2. I won't correct the exercise tomorrow. 3. He has to repair the car . 4. My grandmother is going to tell a story. 5. Mr. Brown was teaching us French at that time. 6. She used to pull my hat over my eyes. 7. You must clean the wall before you paint it. 8. They will hold a meeting before May Day. 9. Workers are planting many rubber trees in the forest. 10. They are going the open a new cinema here. 11. You should follow your doctor's advice.

Phương pháp làm:

1. Đổi câu sang bị động: chuyển chủ từ chủ động thành tân ngữ, đồng thời đổi động từ thành dạng phù hợp với bị động, thêm "be" trước động từ và thêm "by" trước tác nhân.

Câu trả lời:

A. Modal verbs and future tense.

1. Your letter will be posted tomorrow.
2. You will be asked a lot of questions at the interview.
3. This work can be finished in time.
4. The work will be finished next week.
5. All the rules must be obeyed by pupils.
6. The windows should be cleaned every week.
7. Your car will be driven to London on Tuesday.
8. A new house will be built this August.
9. The lady could be taken to the station by my mother.
10. All the questions on the paper must be answered by you.
11. Your work must be planned carefully.

B. Present Continuous:

1. Their bikes are being washed by my friends.
2. His car is not being repaired.
3. Their house is being searched by us.
4. Is an Italian film being watched by them?
5. A birthday cake is being made by me.
6. Flowers are being planted in the garden by my mother.
7. Lunch is being cooked in the kitchens by her sister.
8. Football is being played by the children at this time.
9. The floor is being cleaned by me.
10. A new novel is being written by us.

C. Past Continuous:

1. A letter to his parents was being written by Tom at this time yesterday.
2. The thief was being questioned by the police at 4 pm last Monday.
3. Their homework was being done at that time.
4. Their classroom was being decorated when she came.
5. Were stories being told by your brother when you phoned?
6. Flowers weren't being watered at 3 am yesterday.
7. Cakes were being made when the lights went out.
8. A difficult exercise was being explained by our teacher at 4 pm 2 days ago.

D. Special:

1. Their children are going to be taken to the zoo.
2. My old motor is going to be sold.
3. Our house is going to be repaired by the man.
4. He has to be helped.
5. Things used to be stolen by the little boy.
6. The ceiling is going to be painted pink by them.
7. Dinner has to be cooked before five o'clock by her.
8. The flowers have to be watered every day by you.
9. Vegetables used to be sold by my mother.
10. Detective stories used to be read by me.

E. MIXED EXERCISE

1. My test was returned by the teacher yesterday.
2. The exercise won't be corrected by me tomorrow.
3. The car has to be repaired.
4. A story is going to be told by my grandmother.
5. French was being taught to us by Mr. Brown at that time.
6. My hat used to be pulled over my eyes by her.
7. The wall must be cleaned before it is painted.
8. A meeting will be held before May Day.
9. Many rubber trees are being planted in the forest by workers.
10. A new cinema is going to be opened here.
11. Your doctor's advice should be followed by you.