英语语法之被动语态的用法

1.一般现在时的被动语态构成：is / am / are 及物动词的过去分词
Our classroom is cleaned every day. 我们教室每天都被打扫。
2.一般过去时的被动语态构成：was / were 及物动词的过去分词
A new shop was built last year. 去年修了一座新商店。
3.一般将来时的被动语态构成：will be 及物动词的过去分词
A new hospital will be built in our city. 我们城市将要修建一家新医院。
4.现在进行时的被动语态构成：am / is / are being 及物动词的过去分词
Uncle Wang is mending my bike now.→
My bike is being repaired by Tom now. 王叔叔正在修理我的自行车。
5.现在完成时的被动语态构成：has / have been 及物动词的过去分词
This book has been translated into many languages. 这本书被翻译成多种文字。
Many man-made satellites have been sent up into space by many countries. 在许多国家有许多人造卫星被送上了太空。
6.过去进行时的被动语态构成：was/were being 及物动词的过去分词
The new road was being made.这条新路正在修筑。
7.过去完成时的被动语态构成：had been 及物动词的过去分词
The classroom hadn’t been cleaned before the teacher came. 在老师来之前，教室尚未打扫。
8.将来完成时的被动语态构成：shall/will have been done
They will have been married for 20 years by then. 届时，他们结婚将满20周年。
9.含有情态动词的被动语态构成：情态动词 be 及物动词的过去分词
Young trees must be watered often. 小树需要经常浇水。