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Công thức bị động của các thì 

Thì hiện tại hoàn thành

S + has/have + been + V3/ed 

Thì hiện tại đơn

S + am/is/are + V3/ed

Thì quá khứ đơn 

S + was/were + V3/ed

Thì quá khứ tiếp diễn

S + was/were + being  +V3/ed

Thì tương lai đơn

S + will be + V3/ed 

Modal verb

S + can + be + V3/ed 

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1. Her mother hasn't been met since April.

2. A great time is had in Nha Trang by me and my friends last year.

3. How long has English been studied? (câu này đề sai: How long have you studied English)

4. What time was your homework done? (câu này đề sai: What time did you do your homework? - Vì tính từ sở hữu+  N) 

5. Was basketball being played at 9 o'clock yesterday?

6. Will this book be read?

7. You will be brought something. / hoặc Something will be brought to you.

8. Clothes weren't washed by Tam yesterday.

9. A new computer will be bought at the mall tomorrow.

10. Lots of tomato juice can be drunk every day.

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