=>

1. This flower is watered by my father every morning.

-> bị động HTĐ is/am/are V3/ed

2. Fiona was invited to John's birthday party last night.

-> bị động QKĐ was/were V3/ed

3. The dinner is being prepared in the kitchen by her mother.

-> bị động HTTD is/am/are being V3/ed

4. Our teeth should be cleaned twice a day.

-> bị động should be V3/ed

5. The English grammar has been explained by our teachers.

-> bị động HTHT have/has been V3/ed

6. The accident was caused in this city by some drunk.

-> bị động QKĐ was/were V3/ed

7. Tom's parents will be visited next month.

-> bị động TLĐ will be V3/ed

8. This house and these cars are going to be painted for Christmas Day by the Greens.

-> bị động is/am/are going to be V3/ed

9. The cats had been fed by Ann before she went to the cinema.

-> bị động QKHT had been V3/ed

10. The pollution problems have been discussed by the student since last week.

-> bị động HTHT have/has been V3/ed

11. The new president will be interviewed on TV.

-> bị động will be V3/ed

12. His nose has been broken in a football match.

-> bị động HTHT have/has been V3/ed

13. Santa Claus is loved by the children.

-> bị động HTĐ is/am/are V3/ed

14. Recycled plastic is used to make toys and utensile.

-> bị động HTĐ is/am/are V3/ed

15. I will be collected at the airport by John.

-> bị động will be V3/ed 

16. I am brought this dish by the waiter.

-> bị động HTĐ is/am/are V3/ed

1, this flower is watered by my father every morning ( bị động thì hiện tại đơn)

2, Fiona was invited to John's birthday party last night( quá khứ đơn)

3, the dinner is being prepared in the kitchen by her mother ( hiện tại tiếp diễn)

4, our teeth should be cleaned twice a day ( bị động should be done)

5, the english grammar has been explained by our teachers( hiện tại hoàn thành)

6, the accident was caused in the city by some drunk( quá khứ đơn)

7, Tom's parent will be visited next month ( tương lai đơn)

8, This house and these cars are going to be painted for Christmas Day by The Greens ( tương lai gần)

9, the cats had been fed by Ann before she went to the cinema ( quá khứ hoàn thành)

10, the pollution problems have been discussed since last week ( hiện tại hoàn thành)

11, the new president will be interviewed on TV( tương lai đơn)

12, his nose has been broken in a football match ( hiện tại hoàn thành)

13, mình kh hiểu câu này từ loce là gì

14, Recycle plastic is used o make toys and utensile ( hiện tại đơn)

15, I will be collected at the airport by John ( tương lai đơn)

16, This dish is brought to me by the waiter ( hiện tại đơn)

Mình đã chỉ ra thì dạng bị động của từng câu, còn cấu trúc bị động bạn có thể lên google để xem rồi áp dụng là được), nhớ vote 5 stars cho mình !