Tất cả đều là Câu bị động :

- Thì HTĐ : S + be + V3 ( by O )

- Thì QKĐ : S + was / were + V3 ( by O )

- Thì HTTD : S + is,am,are + being + V3 ( by O )

- Thì QKTD : S + was / were + being + V3 ( by O )

- Thì HTHT : S + has / have + been + V3 ( by O )

- Thì TLĐ : S + will be + V3 ( by O )

1.Letters are typed in the office by Mary

2.You will be helped tomorrow

3.Human life has completely been changed by Science and Technology

4.This bottle was broken by Peter

5.English is being learned in the room

6.My mind couldn't be changed

7.It hadn't told me

8.Her telephone number isn't known

9+10. Không làm được vì thông báo đã che đề bài

11.Information was given us

12.All the workers of the plan were being instructed by the chief engineer

13.Tea couldn't be made with cold water

`#  TCV`