`-` Câu bị động hiện tại đơn: S + is/am/are + Vpp

`-` Câu bị động hiện tại tiếp diễn: S + is/am/are + being + Vpp

`-` Câu bị động quá khứ đơn: S + was/were + Vpp

`-` Câu bị động hiện tại hoàn thành: S + have/has + been + Vpp

`II`

`4`. is spoken 

`5`. was watched

`6`. has been read

`7`. was stolen

`8`. was given

`9`. be decorated

`10`. is being used 

`III`

`1.` The floor is cleaned every day.

`2`. This dress was bought by my mother this morning.

`3`. This exercises was done two days ago.

`4`. He will be sent abroad to study.

`5`. This room was used by her.

`6`. My bike was stolen yesterday.

`7`. A letter from his parents was received by him.

`8`. A new house will be bought by her.

`9`. My house isn't being built.

`10`. The math problem could be solved easily.