=>
36. Our rooms aren't cleaned.
-> bị động HTĐ is/am/are (not) V3/ed
37. She was given a watch on her birthday.
-> bị động QKĐ was/were V3/ed
38. All actions and feelingf of the body are controlled by the nervous system.
-> bị động HTĐ
39. The roof needs repairing.
-> bị động need Ving
40. He will arrive late again.
-> will V ~ be likely to V

36. Our rooms aren't cleaned by us.

-> Công thức bị động thì HTĐ : S + is/are/ am + V3/ed

37. She was given a watch on her birthday.

-> Công thức bị động thì QKĐ : S + was/were + V3/ed

38. All actions and feelings of the body are controlled 

-> Công thức bị động thì QKĐ : S + was/were + V3/ed

39. C1 : The roof needs repairing.

C2 : The roof needs to be repaired
-> need Ving = need to be P2/ed : cần được làm gì

40. He will arrive late again.

Dịch : Anh ấy sẽ lại đến muộn.