`1.` Her own company is being run.

`-` HTTD : S + am/is/are + being + P2 by O

`2.` Umbrellas must be left in the cloakroom by visitors.

`-` Bị động : S + must be + P2 by O

`3.` We used to be made to clean the house.

`-` Bị động : S + used to be + P2 by O

`4.` John's homework hasn't been finished.

`-` HTHT : S + have/has + been + P2 by O

`-` BĐ :

`+` HTTD : S + is / am / are + being + VpII ( by O )

`+` HTHT :S  + haven't / hasn't + been + VpII ( by O )

`+` ĐTKT : S + ĐTKT + be + VpII ( by O )

`29`.Her own company is being run

`30`.Unbrellas must be left in the cloakroom by visitors

`31`.We used to be made to clean the house by my mother

`->` be made + to do sth : Bị bắt làm gì

`32`.John's homework hasn't been finished

`\text{# TF}`