1.=> You’ll be helped by his father tomorrow.

2. => This bottle was broken by Peter.

3.=> Letters are typed in the office by Mary.

4. => English is being learnt in the room.

1. His father will help you tomorrow.

\(\rightarrow\) You will be helped by his father tomorrow

2. Peter broke this bottle.

\(\rightarrow\) This bottle were broken by Peter

3. Mary types letters in the office.

\(\rightarrow\) Letters are typed in the office by Mary

4. They are learning English in the room.

 \(\rightarrow\) English is being learned in the room by them

5.Steven has forgotten the book.

\(\rightarrow\) The book has been forgotten by Steven

You will be helped by his father tomorrow

This bottle was broken by Peter 

Letters are typed by Mary in the office

English is being learned in the room

The book has been forgotten by Steven

refer

1. Mary types letters in the office.

=> Letters are typed in the office by Mary.
2. His father will help you tomorrow.

=> You’ll be helped by his father tomorrow.

3. Science and technology have completely changed human life.

=> The human life has completely been changed with science and technology.

4. Peter broke this bottle.

=> This bottle was broken by Peter.

5. They are learning English in the room.

=> English is being learnt in the room.

6. Nothing can change my mind.

=> My mind can’t be changed.

7. No one had told me about it.

=> I hadn’t been told about it.

8. I don’t know her telephone number

=> Her telephone number isn’t known.

9. My students will bring the children home.

=> The children will be brought home by my students.
10. They sent me a present last week.

=> I was sent a present last week.

11. She gave us more information.

=> We were given more information.

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

=> All the workers of the plan were 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 to be 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 every day.
19. Teacher is going to tell a story.

=> A story is going to be told by 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.

1. Mary types letters in the office.

=> Letters are typed in the office by Mary.

2. His father will help you tomorrow.

=> You will be helped by his father tomorrrow.

3, Science and technology have completely changed human life.

=> The human life has completely been changed with science and technology.

4. Peter broke this bottle.

=> This bottle is broken by Peter.

5. They are learning English in the room. 

=> English is being learnt in the room .

1. Mary types letters in the office.

\(\rightarrow\) Letters're typed in the office by Mary.

2. His father will help you tomorrow.

\(\rightarrow\) You will be helped by his father tomorrow.

3. Science and technology have completely changed human life.

\(\rightarrow\) Human life has been completely changed by science and technology.

4. Peter broke this bottle.

\(\rightarrow\) This bottle was broken by Peter.

5. They are learning English in the room. 

\(\rightarrow\) English is being learned in the room.

I. Chuyển các câu sau sang câu bị động
1. Mary types letters in the office.

Letters are typed by Mary in the office
2. His father will help you tomorrow.

You will be helped by his father tomorrow
3. Science and technology have completely changed human life.

Human life has completely been changed by Science and technology
4. Peter broke this bottle.

This bottle was broken by Peter.
5. They are learning English in the room.

English is being learnt in the room.
6. Nothing can change my mind.

My mind can’t be changed.
7. No one had told me about it.

I hadn’t been told about it.
8. I don’t know her telephone number

Her telephone number isn’t known.
9. My students will bring the children home.

The children will be brought home by my students.
10. They sent me a present last week.

I was sent a present last week.
11. She gave us more information.

We were given more information.
12. The chief engineer was instructing all the workers of the plan.

All the workers of the plan were 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 to be 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 every day.
19. Teacher is going to tell a story.

A story is going to be told by 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.

Tham khảo

I. Chuyển các câu sau sang câu bị động
1. Mary types letters in the office.

Letters are typed by Mary in the office
2. His father will help you tomorrow.

You will be helped by his father tomorrow
3. Science and technology have completely changed human life.

Human life has completely been changed by Science and technology
4. Peter broke this bottle.

This bottle was broken by Peter.
5. They are learning English in the room.

English is being learnt in the room.
6. Nothing can change my mind.

My mind can’t be changed.
7. No one had told me about it.

I hadn’t been told about it.
8. I don’t know her telephone number

Her telephone number isn’t known.
9. My students will bring the children home.

The children will be brought home by my students.
10. They sent me a present last week.

I was sent a present last week.
11. She gave us more information.

We were given more information.
12. The chief engineer was instructing all the workers of the plan.

All the workers of the plan were 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 to be 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 every day.
19. Teacher is going to tell a story.

A story is going to be told by 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 các câu sau sang câu bị động

1. Mary types letters in the office.

Letters are typed in the office by Mary

2. His father will help you tomorrow.

You will be helped by his father tomorrow

3. Science and technology have completely changed human life.

 Human life has completely been changed by Science and technology 

4. Peter broke this bottle.

This bottle was broken by Peter.

5. They are learning English in the room.

English is being learnt in the room.

6. Nothing can change my mind.

My mind can’t be changed.

7. No one had told me about it.

I hadn’t been told about it.

8. I don’t know her telephone number

Her telephone number isn’t known by me.

9. My students will bring the children home.

The children will be brought home by my students.

10. They sent me a present last week.

I was sent a present last week.

1 Letters are typed in the office by Mary

2 You will be helped by his father tomorrow

3 Human life has completely been changed by science and technology

4 This bottle was broken by Peter

5 English is being learnd in the room

6 My mind can't be changed

8 Her telephone number isn't known by me

9 The flower will be brought for their mother in march 8th

10 I was sent a present last year

11 We were given more information

13 Tea can't be made with cold water

14 Some of my books have been taken away

15 The meeting will be held before May day

1) Marry types letters in the office

=> Letters in the office is typed by Mary.

2) His father will help you tomorrow

=> You will be helped by his father tomorrow. 

4) Peter broke this bottle

=> This bottle was broken by Peter.

5) They are learning English in the room

=> English is being learnt by them in the room.

6) Nothing can changed my mind

=> My mind can be changed.

8) I don't know her telephone number

=> Her telephone number isn't known by me.

9) My students will bring the flower for their mother in march 8th

=> The flower for their mother will be brought in march 8th.

10) They sent me a present last year 

=> A present was sent me last year.

11) She gave us more information

=> More information was given us by her.

13) They can't make tea with cold water

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

1. Letters are typed in the office by Mary.

2. You will be helped by his father tomorrow.

4. This bottle was broken here by Peter yesterday.

5. Englidh is being learnt in this room (by them) now.

6. My mind can't be changed.

7. I hadn't been told about it.

8. Her telephone number isn't  known (by me).

9. The children will be brought home by my students.

10. I was sent a present last week.

11. We were gave more information by Lan.

12. Tea can't be made with cold water.

13. Some of my books have been taken away.

14. English has been learnt at this school by the children for 5 years.

15. The woman with a red hat was looked at by the children.

16. English is spoken in almost every corner of the world.

1.Mary types letters in the office.

-->Letters are typed by Mary in the office

2.His father will help you tomorrow

-->You will be helped by his father tomorrow

3.Peter broke this bottle

-->This bottle was broken by Peter

4.They are learning English in the room

--> English is being learnt in the room

5.My students will bring the children home

-->The children will be brought home by my students