各种时态的被动语态

被动语态的构成

be

 过去分词

 1

 一般现在时的被动语态

am / is / are

 过去分词

 2

 一般过去时的被动语态

was / were

 过去分词

 3

 现在进行时的被动语态

am / is / are +being

 过去分词

 4

 过去进行时的被动语态

was / were +being

 过去分词

 5

 现在完成时的被动语态

have / has been

 过去分词

 6

 过去完成时的被动语态

had been

 过去分词

 7

 将来完成时的被动语态

will / shall have been

 过去分词

 8

 一般将来时的被动语态

will / shall be

 过去分词

 9

 过去将来时的被动语态

would / should be

 过去分词

为了便于理解，请看以下几个例子：

We are given a lot of homework to do. 

They were given a warm send-off. 

I think we are being followed. 

They told me that the case was being investigated. 

The documents for which they were searching have been recovered. 

He asked if Mary had been sent to hospital. 

Check carefully, so any mistakes will be caught. 

He knew he would be punished for it.