Câu bị động :

`-` HTĐ : S + is / am / are + V3 / PII ( by O )

`-` QKĐ : S + was / were + V3 / PII ( by O )

`-` HTTD : S + is / am / are + being + V3 / PII ( by O )

`-` QKTD : S + was / were + being + V3 / PII ( by O )

`-` HTHT : S + have / has + been + V3 / PII ( by O )

`-` TLĐ : S + will be + V3 / PII ( by O )

`-` TLG : S + is / am / are + going to be + V3 / PII ( by O )

`1`.Our homework is done every night

`2`.Dinner is being prepared now

`3`.This work was done an hour ago

`4`.They will be called later

`5`.The piano was being played then

`6`.English will be being learnt

`7`.A cake is going to be made

`8`.Her homework has just been done

`\text{# Kirigiri}`

`1.`Our homework is done every night.

`=>`Bị động với hiện tại đơn : S + am/is/are + Vpp + (by O)

`2.`Dinner is being prepared now.

`=>`Bị động với hiện tại tiếp diễn : S + am/is/are + being Vpp + (by O)

`3.`This work was done an hour ago.

`=>`Bị động với quá khứ đơn : S + was/were + Vpp + (by O)

`4.`They will be called later.

`=>`Bị động với tương lai đơn : S + will/ won't + be Vpp + (by O)

`5.`The piano was being played then.

`=>`Bị động với quá khứ tiếp diễn : S + was/were + being Vpp + (by O)

`6.`English will be learned.

`=>`Bị động với tương lai đơn : S + will/ won't + be Vpp + (by O)

`7.`A cake is going to be made.

`=>`Bị động với "be going to" : S + be going to + be Vpp + (by O)

`8.`Her homework has just been done.

`=>`Bị động với hiện tại hoàn thành : S + have/has + been Vpp + (by O)