11. The floor is cleaned every morning

12. The problem will be solved soon

13. The glass is broken into small pieces

15. These cars were made in the USA

16. The Internet has been used all over the world

17. Many trees were planted in the school garden

18. My book has been taken away

19. I was helped with my homework by him

20. English has been learnt for three years

____________________________

`***` Bị động

`+` HTĐ:  S +  am/is/are + V3/ed + (by + O)
`+` QKĐ: S +  was/were +  V3/ed + (by + O)

`+` HTHT: S + has/have  + been +  V3/ed + (by + O)
`+` TLĐ:  S +  will be +  V3/ed + (by + O)

`11,` The floor is cleaned every morning.

- Bị động hiện tại đơn : S + am/is/are + PII +(by O)

`12,` The problem will be solved soon.

- Bị động tương lai đơn : S + will be + PII + (by O)

`13,` The glass is broken into small pieces.

- Bị động hiện tại đơn : S + am/is/are + PII + (by O)

`15,` These cars were made in the USA.

- Bị động quá khứ đơn : S + was/ were + PII + (by O)

`16,` The Internet has been used all over the world.

- Bị động hiện tại hoàn thành : S + have/has + been + PII + (by O)

`17,` Many trees were planted in the school garden.

- Bị động quá khứ đơn : S + was/ were + PII + (by O)

`18,` My book has been taken away.

- Bị động hiện tại hoàn thành : S + have/has + been + PII + (by O)

`19,` I was not helped with my homework.

- Bị động quá khứ đơn : S + was/ were + not + PII + (by O)

`20,` English has been learnt for three years.

- Bị động hiện tại hoàn thành : S + have/has + been + PII + (by O)