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.

Xin hay nhất

1 Letters are typed by Mary in the office 

2 You will be helped by his father tommorrow 

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 

8 Her telephone number isn't known 

9 The children wil be brought home by my student 

10 A present was sent me last week 

Câu bin động ở các thì : 

Thì HTĐ : S + is/am/are +P2 

Thì TLĐ : S + will be + P2 

Thì QKĐ : S + was /were + P2 

Thì QKHT : S + had been + P2 

Thì HTHT : S + has been + P2 

Động từ khuyết thiếu : S + can/could/... + be + P2 

Nocopy 

@gladbach