一)
一般现在时 被动语态:
主语+be+动词
过去分词+by(加宾格)
eg:He waters the flowers every day.
The flowers are watered by him every day.
二)一般过去时
被动语态:主语+was\were+动词过去分词
eg:He took care of his little brother yesterday.
His little brother was taken care of by him yesterday
三)
现在进行时 被动语态:主语加am\is\are加being加动词过去分词
例句:Helen is writing a letter.
A letter is being written by helen.
四)
过去进行时 被动语态:主语+was\were+being+动词过去分词
eg:He was making a model plane.
A model plane was being made by him.
五)现在将来时
主语+be going to be+动词过去分词
eg:They will clean the windows tomorrow.
The windows will be cleaned by them.
六)过去将来时
主语+was/were going to be +动词过去分词
eg:He said he would finish the project by the time we reached there.
He said the project would be finished by the time we reached there.
七)现在完成时
主语+have/has + been+动词过去分词
eg:he has sung a nice song.
A nice song has been sung by him.
八)
过去完成时 主语+had +been +动词过去分词
eg:He had posted the letter .
The letter had been posted by him.