`-` BĐ :

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

`+` QKĐ : S + was / were + VpII ( by O )

`+` HTHT : S + have / has + been + VpII ( by O )

`+` Can : S + can be + VpII ( by O )

`1`.I wasn't told that Nick was asbent

`2`.My name isn't called by the teacher

`3`.The opening ceremony can be held before May

`4`.Are you invited to her wedding party ?

`5`.An arm chair which can play music has just been invented by Stepen

`6`.The accident had already been reported before I phoned

`\text{# TF}`

`1`. I wasn't told that Nick was asbent.

`-` Câu bị động ( thì QKĐ, thể phủ định): S+ was/ were+ not+ Vpp+ [ by O]+...

`-` Có chủ ngữ là "Nobody" tức là câu mang nghĩa phủ định

`2`. My name isn't called by the teacher.

`-` Câu bị động ( thì HTĐ, thể phủ định): S+ is/ am/ are+ not+ Vpp+ [ by O]+...

`3`. The opening ceremony can be held before May.

`-` Câu bị động ( modal verb): S+ modal verb+ be+ Vpp+ [ by O]+...

`4`. Are you invited to her wedding party `?`

`-` Câu bị động ( thì HTĐ, thể nghi vấn): Is/ Am/ Are+ S+ Vpp+ [ by O]+...

`5`. An arm chair which can play music has just been invited by Stepen.

`-` Câu bị động ( thì HTHT): S+ have/ has+ been+ Vpp+ [ by O]+... 

`6`. The accident had already been reported before I phoned.

`-` Câu bị động ( thì QKHT): S+ had+ been+ Vpp+ [ by O]+...