12.The chief engineer was instructing all the workers of the plan.

=>All the workers of the plan …was being instructed by the chief engineer………

13.They can’t make tea with cold water.

=>  Tea can't be made with cold water.

14. Somebody has taken some of my books away.

=> Some of my books……have been taken away.….

15. They will hold the meeting before May Day.

=> The meeting……………will be held before May Day….

16. They have to repair the engine of the car.

=> The engine of the car……has been repaired.………

17. The boys broke the window and took away some pictures.

=> The window………was broken and some pictures were taken away by the boys.…

18. People spend a lot of money on advertising every day.

=> A lot of money…is spent on advertising everyday.……….

19. Teacher is going to tell a story.

=> A story ...is going to be told by the teacher.

20. Mary is cutting a cake with a sharp knife.

=> A cake………is being cut with a sharp knife by Mary.……

21. The children looked at the woman with a red hat.

=> The woman………with a red hat was looked at by the children.………

22. They have provided the victims with food and clothing.

=> The victims……have been provided with food and clothing.…

23. People speak English in almost every corner of the world.

=> English……is spoken in almost every corner of the world.……

24. You mustn’t use this machine after 5:30 p.m.

=> This machine……mustn't be used after 5:30 p.m.……..

25. After class, one of the students always erases the chalk board.

=> After class, the chalk board…is always erased by one of the students…

chuyển câu chủ động sang bị động

1.     They sent me a present last week.

=> I was sent a present last week / A present was sent to me last week.

2.     She gave us more information.

=> We was given more information by her.

3.     The chief engineer was instructing all the workers of the plan.

=> All the workers of the plan were being instructed by the chief engineer.

4.     They paid me a lot of money to do the job.

=> I was paid a lot of money to do the job.

5.     The teacher gave each of us two exercise books.

=> Each of us was given two exercise books by the teacher.

6.     Someone will tell him that news.

=> He will be told that news.

7.     They can’t make tea with cold water.

=> Tea can't be made with cold water.

8.      Somebody has taken some of my books away.

=> Some of my books have been taken away.

9.     They will hold the meeting before May Day.

=> The meeting will be held before May Day.

1 I was sent a present last week

2 We were given more information

3 All the workers of the plan were being instructed by the chief engineer

4 I was paid a lot of money to do the job

5 Each of us was given 2 exercises books

6 He will be told that news

7 Tea can't be made with cold water

8 some of my books have been taken away

9 THe meeting will be held before May Day

chuyển câu chủ động sang bị động

1.     They sent me a present last week.=>i was sent a present last week.

2.     She gave us more information.=>we were given more information

3.     The chief engineer was instructing all the workers of the plan.=>all the workers of the plan were being instructed by The chief engineer

4.     They paid me a lot of money to do the job.=>i was paid a lot of money to do the job.

5.     The teacher gave each of us two exercise books.=>each of us was given two exercise books by the teacher

6.     Someone will tell him that news.=>he will be told that news

7.     They can’t make tea with cold water.=>tea can't be made with cold water

8.      Somebody has taken some of my books away.=>some of my books have been taken away

9.     They will hold the meeting before May Day.=>the meeting will be held be4 May Day

1, The chief engineer was instructing all the workers of the plant.

-> All the workers of the plant were being instructed by the chief engineer.

1, The chief engineer was instructing all the workers of the plant.

-> All the workers of the plant were instructed by the chef engineer.

1, The chief engineer was instructing all the workers of the plant.

-> all the workers of the plant were instructed by the chef engineer.

chuyển những câu sau sang câu bị động:

1.they can't make tea with cold water
. Tea can't be made with cold water.

2.the chief engineer was instucting all the workers of the plant.
. All the workers of plant was being instucted by the chief engineer.

3.somebody has taken some of my books away
. Some of my books have been taken away .

chuyển câu chủ động thành câu bị động:

1.they can't make tea with cold water

-> Tea can't be made with cold water.

2.the chief engineer was instructing all the worker of the plant

-> All the workers of the plant was being instructed by the chief engineer.

3.somebody has taken some of my books away

-> Some of my books have been taken away.

1.An important group of tourists is visitting that city

That city is being visited by an important group of tourists

2.Some workers were removing the door when the Police arrived

The door were being removed by some workers when the Police arrived

3. They were painting the stands at that time 

The stands were being painted at that time