Cấu trúc chung của câu bị động:

S + V(chia) + O... = S (do O của câu chủ động chuyển thành) + be + P2 + (by O)...

Lưu ý: khi chủ ngữ trong câu chủ động là "đại từ bất định, I, we, they, he, she" thì khi viết lại sang câu bị động có thể bỏ "by O"

1. The bill hasn't been paid

2. Has the mistake been discovered by the director?

3. A lot of interesting cartoons have been made by Walt Disney

4. I haven't been impressed by her knowledge about art

5. Children's breathing has been affected by the pollution in the city

6. That course hasn't been taught by Mr.Hart since 2001

7. Has the dispute been settled by special committee yet?

1. The bill hasn't been paid 

2. Has the mistake been discovered by the editor?

3. A lot of interesting cartoons has been made by Walt Disney

4. I haven't been impressed her knowledge about art

5. Children's breathing has been affected by the pollution in the city 

6. That course hasn't been taught by Mr. Hart since 2001

7. Has the dispute been settled by special commitee yet?

QKĐ: S + was/ were + PP + (by O)

HTĐ: S + am/ is/ are + PP + (by O)

HTTD: S + am/ is/ are + being + PP + (by O)

HTHT: S + have/ has + been + PP+ (by O)

TLĐ: S + will be + PP + (by O)

TLG: S + is/ am/ are + going to + be + PP + (by O)

S + modal verb (should, must, have to, can,...) + be + PP + (by O)