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1、过去分词基本概念描述过去分词的基本形式就是done。没有其他变体形式，它的否定形式是_。动词的-ed形式具有副词、形容词的特征，在句中可作定语、表语、补语、状语、宾补等一、过去分词作定语(前置；后置)A. 过去分词一般表示被动含义。Have you got your repaired watch? B. 过去分词表示状态，或已完成的动作。There are some fallen leaves on the ground. （fallen表示_）二、过去分词做表语动词-ed形式作表语，表示主语的性质、特征或状态。The glass is broken.表示感觉的一些动词-ed 形式（surpr
2、ised, disappointed, excited, pleased等）及其它一些动词-ed形式(dressed, drunk, devoted, lost, known, married, bent, recovered, separated等)常可用作表语，表示状态。其中有些只表示状态，毫无被动意义。Those days are passed and gone. / The shops door is always closed.三过去分词做补语1）make, get, have, keep 等使役动词，此类动词使用最广泛。He should be kept_( inform) of
3、the news. 有消息应该随时通知他。We need to get the machine _ (repair) at once as we want to use it in our experiment tomorrow. see, hear, feel，find 等表示感觉和心理状态的动词。The mother cant stand seeing her baby left alone at home. Wed like to see the plan carried out at once.3)like, want, wish, order等表示希望、要求、命令等意义的词。Ill
4、have my hair _(cut). The murderer was brought in, with his hands _(tie) behind his back.四/过去分词和过去分词短语作状语时，可以表示时间、原因、条件、让步、方式和伴随情况。与逻辑主语之间存在着_关系。通常可转换为相应的状语从句，表示方式和伴随情况时，可以转换为一个并列的谓语成分。_（face）with difficulties, we must try to overcome them.遇到困难，我们必须设法克服。=_（face）difficulties, we must try to overcome t
5、hem_(从山顶看)，the city looks really beautiful.=_(从山顶看)，we cant help being amazed at the beauty of the city.6）She lay_(trap) under the building for three days.7) The spokesman seated himself at the desk calmly, _ for any question from the reporters. The spokesman burned the midnight oil and now felt tir
6、ed and sleepy, _ for todays meeting. A. preparingB. preparedC. to prepareD. being prepared8) _（warn） many times of the danger ahead, he drove his car carefully so that he could pass the section safely.（作状语的过去分词既表示被动又表示完成时，经常可以和现在分词的完成被动式互换） 过去分词作状语时相当于从句的省略when, while, as, once, if, unless, though,
7、as if,等引导的状语从句，若其主语与主句主语相同时，可保留该副词连接词，其余部分可以省略为过去分词短语。 但是，since, before, after一般不与done连用，而和being done连用。例如：New products will be advertised many times before being put onto the market.The criminal felt regret to tears after being condemned to death.The antiques have been protected properly since bein
8、g dug out.五、过去分词作连词使用You can arrive in Beijing earlier for the meeting provided you dont mind taking the night train. 七 “With + 宾语+ 非谓语动词 ” 的比较With so many problems _( settle) , he looks worried.With so many problems _( settle) , he looks satisfied.With so many problems _( settle) , he looks busy and even has no time for dinner.2