Giúp e giải câu 7.9.13.14.15.16.17.18.19.20 với ạ

Công thức - bị động:

- Thì QKĐ: S + was/were +V3/ed 

- Thì HTĐ: 

(+) S + am/is/are + V3/ed 

(-) S + am/is/are + not + V3/ed 

- Thì TLĐ: S + will be + V3/ed

- S+ can be + V3/ed 

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7. A present was given to me by my elder sister on my last birthday.

9. The murder was arrested in the forest by the police yesterday.

13. Waste paper is recycled in this factory.

14. Our rooms aren’t cleaned.

15. This house was built by my grandfather in 1990.

16. A new restaurant will be opened next week.

17. English is spoken all over the world.

18. A big hospital will be built.

19. A vase of flowers was broken by the boy yesterday.

20. All kinds of cars can be repaired.

`color{orange}{~STMIN~}`