Đề: Viết lại câu từ chủ động sang bị động. Giúp mình với ạ mình cần gấp

`12.`

$\text{Form:}$

`+)` S + was/were + V(PII) + adv/O + (by sb)

`->` Our written work was returned to us by the teacher.

`13.`

$\text{Form:}$

`+)` S + have/has + been + V(PII) + adv/O + (by sb)

`->` The report had been finished by noon.

`14.`

$\text{Form:}$

`+)` S + was/were + V(PII) + adv/O + (by sb)

`->` The little boy was bitten by the mad dog.

`15.`

$\text{Form:}$

`+)` S + have/has + been + V(PII) + adv/O + (by sb)

`->` Five suspects have been arrested by the police.

`16.`

$\text{Form:}$

`+)` S + was/were + V(PII) + adv/O + (by sb)

`->` He was ordered to take a long rest by the doctor.

`17.`

$\text{Form:}$

`+)` S + am/is/are + being + V(PII) + adv/O + (by sb)

`->` The streets are being swept.

`18.`

$\text{Form:}$

`+)` S + had + been + V(PII) + adv/O + (by sb)

`->` The mail had already been delivered by the mailman.

`19.`

$\text{Form:}$

`+)` S + was/were + V(PII) + adv/O + (by sb)

`->` My pen was used to borrow.

`20.`

$\text{Form:}$

`+)` S + had to be + V(PII) + adv/O + (by sb)

`->` His work had to be finished on time.

`21.`

$\text{Form:}$

`+)` need be + V(PII)

`->` All the homework needn't be done.