cau bi dong dac biet

II. KIẾN THỨC CƠ BẢN
1. Somebody + want/ like/expect + someone to do something
 Somebody + want /like/expect + something + to be done
Ví dụ:
The teacher wants us to prepare our lessons carefully.
 The teacher wants our lessons to be prepared carefully.
They expected me to finish my work early.
 they expected my work to be finished early.
2. Somebody + agree/arrange/determind/decide + to do something
 Somebody + agree/arange/determind/decide + that something + should be +
done
Ví dụ:
She decided to rebuild the house
 She decided that the house should be rebuilt.
3. They/it + need(s) + doing  they/ it + need(s) + to be done
Ví dụ:
The house needs cleaning  The house needs to be cleaned.
The chickens need feeding  The chickens need to be fed.
Hai cấu trúc này có thể chuyển đổi lại cho nhau, cả hai cấu trúc này đều mang
nghĩa bị động.
4. Somebody + think/expect/believe/estimate/say/report + that + someone + do
something
 Cách 1: It is thought/expected/believed/estimated/said/reported that someone +
do something
 Cách 2: Someone is thought/expected/believed/estimated/said/reported to do
something
Ví
People think he drives dangerously.
 It’s thought that he drives dangerously.
 He is thought to drive dangerously.
People think he is a good teacher.

 It is thought that he is a good teacher.
 He is thought to be a good teacher.
5. Somebody + think/expect/believe/estimate/say/report + that + someone + did
something
 Cách 1: It is thought/expected/believed/estimated/said/reported that someone +
did something
 Cách 2: Someone is thought/expected/believed/estimated/said/reported to have
+ done something
Ví dụ:
People say he was a teacher.
 It’s said that he was a teacher.
 He is said to have been a teacher.
6. It’s your duty to do something
 You are supposed to do something (bổn phận của bạn là….)
Ví dụ:
It’s your duty to lock all the doors.
 You are supposed to lock all the doors.
7. Somebody + see/make/let + someone + do + something
 Someone is seen/made + to do something
 Someone is let + do something
Ví dụ:
He made me stay outside yesterday
 I was made to stay outside yesterday.
The teacher let us go home early last week.
 We were let go home early last week.
8. Somebody + have + someone + do something
Somebody + get + someone + to do something
 Somebody + have + something + done
Ví dụ:
He had his waiter carry the luggage home

 He had the luggage carried home by the waiter.
I got the postman to post the letter for me.
 I had the letter posted for me by the postman.
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9. Don’t do something  something musn’t be done
It’s impossible to do something  something can’t be done
It’s possible to do something  something can be done
Ví dụ:
Don’t touch this switch  This switch musn’t be touched
It is impossible to do this  This can’t be done.
10. Somebody + advise/ beg/ urge/ recommand someone to do something
 Cách 1: someone is advised/ begged/ urged/ recommanded to do something
 Cách 2: somebody advise/ beg/ urge/ recommand that something should be
done
Ví dụ:
He advised me to sell the car.
 I was advised to sell the car.
 He advised that the car should be sold.
11. Somebody + agree/ arrange/ determine/ decide/ is deternined/ is anxious +
to do something
 Somebody + agree/ arrange/ determine/ decide/ is deternined/ is anxious + that
something should be done
Ví dụ:
She decided to rebuild the house.
 she decided that the house should be rebuilt.
12. Somebody + insist/ advise/ propose/ recommand/ suggest + doing something
 Somebody insist/ advise/ propose/ recommand/ suggest that something should be
done
Ví dụ:

He suggested selling the radio
 He suggested that radio should be sold.
They advised enlarging the garden
 They advised that the garden should be enlarged.
13. Mệnh lệnh thức + Object  S + should/must + be +P2.
Ví dụ: Turn on the lights The lights should be turned on.
14. “Need to” là động từ thường
You don’t need to prepare the lesson
 The lesson doesn’t need to be prepared.
III. CỦNG CỐ KIẾN THỨC
Bài tập 1: Chọn phương án thích hợp để hoàn thành những câu sau:
1. All bottles _____ before transportation.
A. frozen B. is frozen C. was frozen
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D. were frozen
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2. Everything that _____ remained a secret.
A. had be overheard B. had been overheard
C. had been overheared D. would had been overheard
3. Everything _____.
A. were forbidden B. is forbidden C. is forbidded
forbidden
4. Everything _____.
A. are going to be forgotten B. is going to be forgot
D. are
C. is going to be forgotten
5. I _____.
A. have not given the money
D. were going to be forgotten

B. have not been given the money
C. have not been give the money D. have not be given the money
6. It _____ for years.
A. has not be known B. had not been known
C. had not be known D. have not been known
7. It _____ that learning English is easy.
A. are said B. said
8. John and Ann _____.
C. is said D. is sayed
A. were not misleed B. were not misleeded
C. was not misled
9. Our horses _____.
A. are well feeded
C. is well fed
D. were not misled
B. are well fed
D. is well feeded
10. Peter and Tom _____ in an accident yesterday.
A. is hurt B. is hurted C. were hurt
11. South Florida and Hawaii _____ by a hurricane.
D. were hurted
A. is hit B. have been hit C. have are hit D. has been hit
12. The battles for liberation _____.
A. had be fought
C. had been fought
B. had been fighted
D. has been fought
Bài tập 2: Chuyển các câu sau sang dạng bị động:
1. They must do their task now.
2. He expected me to buy him a book.

3. They want him to invite them to the party.
4. They opened the road 10 years ago.
5. He can mend all chairs for you now.
6. We expected them to forgive us.
7. They allowed women to vote many years ago.
8. You should open the wine 3 hours before you use it.
9. They suggested making the test easier.
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10. They think she is the most beautiful girl.
11. It’s your duty to make tea for the party.
12. They let their children go to the zoo last Sunday.
13. He had the neighbor mend the chair.
14. The walls need painting.
15. He made me clean all the plates last night.
16. Don’t close the door.
Đáp án:
Bài 1:
Bài 2:
1. D
5. B
9. B
2. B
6. B
10. C
3. B
7. C
11. B
4. C

8. D
12. C
1. Their task must be done now.
2. He expected to be bought a book.
3. They want to be invited to the party by them.
4. The road was opened 10 years ago.
5. All chairs can be mended for you now.
6. We expected to be forgiven by them.
7. Women were allowed to vote many years ago.
8. The wine should be opened 3 hours before it is used.
9. They suggested the test should be made easier.
10. She is thought to be the most beautiful girl.
11. You are supposed to make tea for the party.
12. Their children were let go to the zoo last Sunday.
13. They had the chair mended by the neighbor.
14. The walls need to be painted.
15. I was made to clean all the plates last night.
16. The door mustn’t be closed.
IV. BÀI TẬP VỀ NHÀ
Bài tập: Viết lại các câu sau sang câu bị động:
1. People say he is very rich.
2. We see her walk with him every evening.
3. They had the typist type all their letters.
4. I am going to ask the gardener to cut my fence tomorrow.
5. Don’t let others see you.
6. He needn’t repair the bike.
7. People think he was an artist
8. It is impossible to rebuild the school.
9. He let me in
10. People say she was very intelligent.

11. He doesn't need to paint the house.
12. You needn't water the flowers.