初中英语被动语态思维导图下
本思维导图主要总结初中英语知识被动语态
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思维导图大纲
初中英语被动语态思维导图模板大纲
（1）含有直接宾语和间接宾语的主动结构，变为被动结构时，可以将其中一个宾语变为主语，另一个不动，一般是主动结构的间接宾语变为被动结构的主语，这样句子显得自然一些。
如：
He showed me his pictures.
I was shown his pictures by him.
I was sent a birthday present (by him).
A birthday present was sent to me (by him).
（2）含有复合宾语的主动句变为被动句的方法。
① 将宾语变为主语，宾语补足语保留不动。
如：
They call her little Li. She is called little Li.
He left the door open. The door was left open by him.
② make, let, hear, watch, see, feel, have, notice, help等动词后面作宾语补足语的不定式一般不带to，可是当变为被动语态时，后面的不定式必须带to。
如：
My brother often made me do this and that when I was young.
I was often made to do this and that by my brother when I was young.
③ 含有情态动词的被动语态，是由“情态动词 + be +（及物动词的）过去分词”构成。
如：
They can not find him.
He can not be found.
④ 短语动词的被动语态
一般说来，只有及物动词才有被动语态，因为只有及物动词才可能有动作的承受者。但有许多由不及物动词加介词及其他词类构成的短语动词，相当于及物动词，可以有宾语，因而也可以有被动语态。但应注意，短语动词是一个不可分割的整体，在变为被动语态时，不可丢掉构成短语动词的介词或副词。
如：
They had put out the fire before the fire brigade arrived.
The fire had been put out before the fire brigade arrived.
They will set up a new public school here.
A new public school will be set up here.
You must take good care of these trees.
These trees must be taken good care of.
被动语态的基本用法
① 不知道谁是动作的执行者或者没有必要指出谁是动作的执行者时。
如：
Paper is made from wood.
The house is quite old, it was built in 1950.
He was wounded in the fight.
② 需要强调动作的承受者时。
如：
Calculator can’t be used in the maths exam.
Books and newspapers in the reading room mustn’t be taken away.
He was awarded first prize in that contest.
③ 为使语气婉转，避免提及自己或对方而使用被动语态，或由于修辞的需要使用被动语态使句子得以更好安排。
如：
The construction of the new lab must be completed by the end of next month.
Electricity is used to run machines.
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