被动式的基本形式：be 动词 + P.P.（动词过去分词）
现在式：am / is / are + P.P.
The house is cleaned every day.
Taipei 101 is visited by hundreds of people every day.
Many accidents are caused by dangerous driving.
过去式：was / were + P.P.
The house was cleaned yesterday.
The church was built in 1885.
We were all woken up by a loud explosion during the night.
未来式：will + be + P.P. & be + going to + be + P.P.
The house will be cleaned next week.
The house is going to be cleaned next week.
The new hotel will be opened next year.
The new hotel is going to be opened next year.
The new highway will be completed in three months.
The new highway is going to be completed in three months.
现在进行式：am / is / are + being + P.P.
The house is being cleaned at the moment.
The rooms are being painted right now.
A new shopping center downtown is being built.
过去进行式：was / were + being + P.P.
The house was being cleaned yesterday afternoon.
Suddenly I heard footsteps behind me. I was being followed.
The farmer’s wagon was being pulled by two horses.
现在完成式：have / has + been + P.P.
The house has been cleaned since they left.
We have been invited to dinner by Mr. and Mrs. Johnson.
Have you ever been bitten by a dog?
过去完成式：had + been + P.P.
The house had been cleaned before they arrived.
The mail had been delivered by the time I left for work this morning.
James didn’t know about the change of plans. He hadn’t been told.
当时 James 不知道计画改变了，他没有被告知。
未来完成式：will + have + been + P.P.
The house will have been cleaned by next week.
The project will have been completed by the end of the week.
The door will have been opened before you arrive tomorrow.