1. Mrs. Lan taught us how to pronounce English correctly.

-> We were taught how to pronounce English correctly by Mrs.Lan

Bị động thì QKĐ: S + was/were + V3/ed +...(+By O).......

2. You should clean your room because it's so dirty.

-> You room should be cleaned because it's so dirty.

Bị động với modal verb: S + m.verb + be + V3/ed+....(by O)...

3. Our father and grandfather built this house all by themselve

-> This house was built by our father and grandfather all by themselves

Bị động thì QKĐ

4. John wrote an article about the dangers of cigarettes.

-> An article about the dangers of cigarettes was written by John

Bị động thì QKĐ

5. They will open a new hotel at the corner of the street.

->  A new hotel will be opened at the corner of the street.

Bị động với m.verb

6.They had to cancel the flight because of the bad weather.

-> The flight had to be cancelled because of the bad weather.

7.Tuan cleans the house every week.

-> The house is cleaned by Tuan every week

Bị động thì HTĐ: S + am/is/are + V3/ed +...(by O)....

8.The house rent includes the electricity and water bill.

->  The electricity and water bill are included in the house rent.

9. They told him that he's not capable of carrying out such a

-> It was said that he WAS not capable of carrying out such a

Bị động mệnh đề that

S1 + V1 + that + S2 + V2

= It + be + V3/ed (V1) that + S2 + V2

= S2 + be + V3/ed (V1) + to Vo (V1, V2 cùng thì)/ + to have V3/ed (V1, V2 khác thì)

10. He uses the air conditioner all day to cool down the office.

-> The air conditioner is used all day to cool down the office.