BỊ ĐỘNG DẠNG ĐỘNG TỪ KHUYẾT THIẾU
Bài 1: Chuyển các câu sau sang thể bị động:
1. He should have sent her a letter since he moved to another city for good.
2. Could you water the flowers?
3. My dad may repair my motorbike for me.
4. He will give me a huge bunch of flowers on my graduation day.
5. You must do your homework before coming to the class.
6. The cult might have drawn a mysterious symbol on the ground in the basement to perform an unknown ritual.
7. People must wear helmets when joining the traffic.
8. Visitors must leave all their belongings behind before entering the playroom.
9. Drivers and passengers must wear seatbelts.
10. Passengers ought to keep the tickets as the staff would check them at the end of the ride.
11. Students can borrow books from the library for 2 weeks.
12. You have to bring this basket of food to your grandma's house before noon.
13. May you please return the chairs to the hall after you have finished your conference?
14. You must not iron this shirt under high heat.
15. You don't have to water this tree regularly.
Bài 2: Chọn đáp án đúng cho các câu sau:
1.You shouldn't have kept that secret from her. She …………… the news immediately. Do it now or you'll regret it later.
A. ought to tell

C. may tell

B. ought to have been told

D. may be told

2. The plan to surprise Jim on his birthday was a secret. It ……………. widely like this.
A. shouldn't have spread

C. shouldn't be spread

B. shouldn't spread

D. should be sprea

3. A package ...............carefully before it is mailed.
A. has to be wrapped

C. had to be wrapped

B. has to wrap

D. had to wrap

4. This damaged lock ………………… a while ago. Could you please send someone over to do it for me?
A. might be replaced

C. should have been replaced

B. might have been replaced

D. should be replace

5. There is a warning sign near the edge of that river. It says that the water ……….
A. may be polluted

B. may pollute

C. may be pollute

D. may have polluted

6. This book …………….  weeks ago in order to gather enough information to complete our project.
A. ought to be read

C. ought to have been read

B. ought to read

D. ought to have read

7. This form ……….. by the Chief Operating Officer before you can pass it on to other faculties to get it done.
A. is supposed to sign 

C. was supposed to sign

B. is supposed to be signed

D. was supposed to be signed

8. She ………………. easily like that since this was not the first time she had been arrested for not wearing a helmet while
joining the traffic
A. should let off

C. shouldn't let off

B. should be let off

D. shouldn't have been let off

9. A face mask …………………. whenever we go out of the house during the pandemic to protect our health.
A. must be worn

C. must worn

B. must wear

D. must not be worn

10. She has been treating you so badly while none of it was your fault. You deserve better. She…………… a second chance.
A .should be give

C. should be given

B. should give

D. shouldn't be given

11. If I had not been there that night, she………………… to death.
A. could be beaten

C. could have beaten

B. could have been beaten

D. could beat

12. The package …………………… days ago.
A. must have been sent

C. must send

B. must be sent

D. must be sending

13. Faulty products …………………………. to us within 30 days in exchange for a new one.
A. should return

C. should be returned

B. should have been returned

D. shouldn't be returned

14. My cat ………………………………. 4 meals a day or else he will go nuts.
A. must be fed

B. must have been fed

C. must feed

D. must be feed

15. The meat ……………………………….. in the fridge for one or two months.
A. can keep

B. can be kept

C. can not be kept

D. can be keep

Bài 3: Chuyển những câu sau sang thể bị động
1. Teachers should give students a lot of care and attention.→......................................................................................................…
2. They founded an association to offer poor women more help in the city.
→..............................................................................................................…
3. Authorities must take prompt action to deal with recent rising problems.
→..............................................................................................................…
4. The school will send a congratulation card and an invitation to a private meeting to students who receive the scholarship.

→..............................................................................................................…
5. Schools should hold more outdoor activities for students to experience and learn from.
→..............................................................................................................…
6. They should prevent gender discrimination between men and women at all costs, especially in the workplace. 
→..............................................................................................................…
7. My father will take my motorcycle to the store to do a check-up.→.........................................................................................…
8. She has to wash the towels every two weeks.→..............................................................................................................…
9. A lack of sleep could cause a splitting headache.→..............................................................................................................…
10. They are going to pull down the house to rebuild it.→.............................................................................................................…
11. I have to read at least one story for my children before bedtime.
→..............................................................................................................…
12. The restaurant will serve their local cuisine tonight as part of their special menu.
→..............................................................................................................…
13. They may offer outer-space tours for those who love astronomy and can afford them.
→..............................................................................................................…
14. This new device could sense the possibility of an earthquake with a pretty high rate of accuracy.
→..............................................................................................................…
15. The police might give a reward to anyone who provides sufficient information about the wanted criminal.
→..............................................................................................................…
Bài 4. Chuyển những câu sau sang thể bị động
1. I can not answer the question.___________________________________________________________________________
2. Jenny could lift up that big box without any help.___________________________________________________________
3. It is raining. You should close the window.________________________________________________________________
4. We might cancel our trip due to bad weather.________________________________________________________________
5. You ought to wash the car._____________________________________________________________________________
6. He must complete the form before giving it to the accountant.
____________________________________________________________________________________
7. We shouldn't buy that used car because it looks so old and rusty.
____________________________________________________________________________________
8. He could not leave her in the middle of nowhere like that.
____________________________________________________________________________________
9. You have to take a test so that we can evaluate your knowledge of English.
____________________________________________________________________________________
10. You should cook this type of meat for 90 minutes to get all the flavors out of it.
____________________________________________________________________________________
Bài 5: Chuyển những câu sau sang thể bị động
1. You must not forget these rules under any circumstances._______________________________________________________

2. You should learn these new words by heart in order to do these exercises.
____________________________________________________________________________________
3. Students must follow these regulations at school._____________________________________________________________
4. They might cancel the game because of the rain.______________________________________________________________
5. The doctor can't persuade her to do the surgery.______________________________________________________________
6. They will repair my car.________________________________________________________________________________
7. He has to pay for the damage he caused to my car.___________________________________________________________
8. I will send a surprise gift to your house tomorrow.___________________________________________________________
9. I have to finish three essays this week to keep up with the schoolwork.
___________________________________________________________________________________
10. You should wash these fruits carefully before eating.__________________________________________________________
Bài 6: Chuyển những câu sau sang thể bị động
1. I must send this letter immediately. -> This letter ________________ before we leave for the long holiday.
4. You can reach me from 1 PM to 5 PM in my office.
I ________________________ from 1 PM to 5 PM in my office.
5. People may eat carrots cooked or raw. -> Carrots ________________________ cooked or raw.
6. High heat can cause some changes to the model. -> Some changes________________________by high heat.
7. We cannot control the spread of the news. ->The spread of the news______________________________________.
8. We must complete this part of the house by tomorrow
This part of the house ______________________________ by tomorrow.
9. You can find ramen in almost every country in Asia
Ramen________________________________ in almost every country in Asia.
10. He may have written these books for children to read.
These books _______________________________ for children to read.
11. Susan must have made these cupcakes for the party
These cupcakes_______________________________ by Susan.
12. You should take your dog to the doctor for a medical checkup.
Your dog_______________________________ for a medical checkup.
13. Tom must have put a lot of effort into studying for the final exam. -> A lot of effort_______________________________ 
14. The police ought to take these rescued victims to the hospital immediately.
These rescued victims_______________________________ by the police.
15. Students must answer all of the questions in the survey.
All of the questions in the survey_______________________________