英语语法学习中，被动语态使用得比汉语要多，许多课本及考试乃至实际应用中都常常涉及到这个问题。一般说来，当强调动作承受者，不必说出执行者或含糊不清的执行者时，多用被动式，被动态必须涉及的是动词的各种时态变化的问题。英语的时态本来很复杂，怎样记住各自的被动形式呢? 首先要明确"将来进行无被动，现在完成进行同"。这两种时态无被动形式。另外，不及物动词带有同源宾语的动词，反身代词的动词和系动词都无被动形式。即便如此，还有不定式，动名词，分词，以及它们的复合结构的被动态，再加上情态动词，助动词以及它们的疑问式和否定式从中掺杂，下面沪江小编整理了一些被动语态的相关知识点，希望对大家的英语学习有所帮助。

一、被动语态的用法

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。

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。

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。

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。

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。

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。

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。

将来完成时的被动语态构成：shall/will + have been doneThey will have been married for 20 years by then. 届时，他们结婚将满20周年。

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。

二、 主动语态改成被动语态

1. 先找出谓语动词;2. 再找出谓语动词后的宾语;3. 把宾语用作被动语态中的主语;4. 注意人称、时态和数的变化。例：

Bruce writes a letter every week.→A letter is written by Bruce every week. 布鲁斯每星期写一封信。

Li Lei mended the broken bike this morning.→The broken bike was mended by Li Leithis morning. 李雷今天上午在修理坏的自行车。

He has written two novels so far. →Two novels have been written by him so far.至今他已写了两部小说。

They will plant ten trees tomorrow. →Ten trees will be planted by them tomorrow.他们明天将要种植十棵树。

Lucy is writing a letter now. →A letter is being written by Lucy now.露西正在写信。

You must lock the door when you leave. →the door must be locked when you leave.当你离开的时候你必须把门锁上。

三、 使用被动语态应注意的几个问题：

不及物动词无被动语态。What will happen in 100 years?一百年里会发生什么事?

有些动词用主动形式表示被动意义。This pen writes well. 这支钢笔很好写。

感官动词或使役动词使用省略to的动词不定式，主动语态中不带to ，但变为被动语态时，须加上to。(1)Make somebody do something →somebody+ be +made to do something(2)See somebody do something →somebody +be +seen to do something例句：(1) A girl saw my wallet drop when she passed by. →My wallet was seen to drop by a girl whenshe passed by. 当一个女孩经过的时候，看到我的钱夹掉了。(2)The boss made the little boy do heavy work. →The little boy was made to do heavy work by theboss. 这个老板让这小男孩干重活。

如果是接双宾语的动词改为被动语态时，直接宾语(物)做主语，那么动词后要用介词，这个介词是由与其搭配的动词决定。He gave me a book. →A book was given to me by him. 他给了我一本书。He showed me a ticket. →A ticket was shown to me by him. 他给我展示了一张票。My father bought me a new bike. →A new bike was bought for me by my father.我父亲给我买了一辆新自行车。

一些动词短语用于被动语态时，动词短语应当看作一个整体，而不能丢掉其中的介词或副词。We can’t laugh at him. →He can’t be laughed at by us. 我们不能嘲笑他。

四、 新兴形式的被动语态

Get+过去分词也可以构成被动语态，用这种结构的句子侧重于动作的结果而不是动作本身。如：The man got hurt on his way home. 那个男人在回家的路上受伤了。How did the glass get broken? 杯子怎么破了?著名学者周海中教授在论文《Get-Passive研究》中指出：Get+过去分词的被动语态是一种新兴的被动语态形式;相对来说它的使用还没有Be+过去分词构成的被动语态那么广泛，一般限于口语和非正式书面语;但它却有着用得愈来愈多的趋势，是一种生气蓬勃的语言现象。