1 Nothing can change my mind
=> My mind can't be changed
2 No one had told me about it
=> I hadn't been told about it
3 I don't know her telephone number
=> Her telephone number isn't known by me
4 My students will bring the children home
=> The children will be brought home by my students
5 They sent me a present last week
=> A present was sent to me last week by them 

1 English is being learned in the room

2 My mind can't be changed

3 I hadn't been told about it

4 Her telephone number isn't known by me

 English is being learned in the room

 My mind can't be changed

 I hadn't been told about it

 Her telephone number isn't known by me

Câu bị động

1. Nothing can change my mind

my mind can't be changed by anything

2. No one had told me about it

I hadn't been told about it

3. I don't know her telephone number

her telephone number isn't known

4. My students will bring the children home

the children will be brought home by my students

5. They sent me a present last week

I was sent a present last week

1. Nothing can change my mind
=> My mind can't be changed.

2. No one had told me about it
=> I hadn't been told about it.

3. I don't know her telephone number
=> Her telephone number isn't known by me.

4. My students will bring the children home

=> The children will be brought home by my students.

5. 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.

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.

science and technology have completely changed human life 

-Human life has completely been changed by science and technology

peter broke this bottle

-This bottle was broken by Peter

they are learning english in the room

-English is being learnt in the room

nothing can change mu mind

-My mind can't be changed

no one had told me about it

-I hadn't been told about it

i don't know her telephone number

-Her telephone number isn't known by me

my students will bring the children home

-THe children will be brought home by my students
she gave us more information

-We were given more information by her

they sent me a present last week

-I was sent a present last week

they can't make tea with cold water

Tea can't be made with cold water

1. The letters are typed in the office by Mary.
2. Some letters were being typed by his father at 8 o'clock yesterday.
3. Peter's bottle was broken by him.
4. English is being learned in the room.
5. My mind can't be changed
6. I hadn't been told about it.
7. Her telephone number isn't known.
8. Are the children home going to be brought by the students ?
9. Wasn't she sent a present last week ?
10. How many games have been played by the team ?
11. Where is English spoken ?
12. Who is being kept in the kitchen ?
13.  How is this safe opened ?
14.  What books are being read this year ?

chueỷn sang 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.

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 learned 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.

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.

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 learned 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.

1. Letters are typed in the office by Mary.

2. Yu will be helped by his father tomorrow.

3. Human life has been completely changed by science and technology.

4. This bottle was broken by Peter.

5. English is being learnt in the room.

6. My mind can't be changed.

7. I hadn't been told about it.

Giải thích vì sao lại như thế nữa nhé mấy bạn thân iu

1 Is English taught here

2 Will she be invited to your wedding party

3 Has the worked been finished by Tom

4 Were some exercises given by the teacher

5 Has the window of the laboratory been changed

1. Is English taught here?

2. Will she be invited to your wedding party?

3. Has the work been finished by Tom?

4. Were some exercises given by the teacher?

5. Has the window of the laboratory been changed?