英语动词有两种语态主动语态theActiveVoice被动语.pptVIP

英语动词有两种语态：主动语态(theActiveVoice)被动语态(thePassiveVoice)WhatisthePassiveVoice?主动语态表示主语是动作的执行者。被动语态表示主语是动作的承受者。Weplantedthetree.Thetreewasplantedbyus.主语Englishisspokenbyus.主动语态谓语谓语主语010302WespeakEnglish.宾语宾语被动语态Whentouseit?当我们不知道谁是动作的执行者，或没有必要指出谁是动作的执行者时。这本词典被保存完好(不需要说明是谁保存的)。Thedictionaryiswellkept.01当我们需要强调动作承受者，而不是动作的执行者。这些书是在二十世纪二十年代发现的。（强调书被发现而不是强调由谁发现）Thesebookwerefoundinthe1920s.02theStructureis助动词be+及物动词的过去分词(be+V.P.P)一般现在时：am/is/aredone一般过去时：was/weredone现在进行时：am/is/arebeingdone过去进行时：was/werebeingdone现在完成时：have/hasbeendone过去完成时：hadbeendone一般将来时：shall/willbedone;begoingtobedone当句中含有情态动词时，句子结构为can/must/haveto…bedoneHeisregardedasabrilliant.

他被认为很有才气。Thisbookwaswrittenin1969.

这本书是1969年写成的。Thebrokenbikeisbeingrepairednow.

那辆坏了的自行车正在被修理。Hetoldusthecatwasbeingwashedwhenwecalledhim.

他告诉我们打电话时他正在给猫洗澡。Thepenhasbeenusedforseveralyears.这支钢笔已经用了几年。Hesaidthefactoryhadbeenopened.他说这家工厂已经开张。Theworkwillbefinishedinthreehours.工作将于三小时后完成。Thebabymustbelookedafterwell.

这孩子必须被好好照顾。在改写中应注意：1.把原来的宾语提到前面作被动语态的主语;2.把动词变成“be+过去分词”;3.主动语态中的主语变为介词by的宾语。典型题例

例1将下列句子改为被动语态。

Wecleanourclassroomeveryday.

Ourclassroomiscleaned(byus)everyday.

ombrokethewindow.??ewindowwasbrokenbyTom.添加标题ombrokethewindows.?添加标题windowswerebrokenbyTom.添加标题ebrokethewindows.??添加标题WecallthesnowmanMrStrong.ThesnowmaniscalledMrStrong.01Heboughthisfriendsomefruitsyesterday.添加标题02Hisfriendwasboughtsomefruitsyesterday.添加标题03Somefruitswereboughtforhisfriendyesterday.添加标题Theycansingsomebeautifulsongs.Somebeautifulsongscanbesungbythem.Workershavebuiltthehousesincetwoyearsago.Thehousehasbeenbuiltsincetwoyearsago.一些特殊结构的被动结构:（1）感觉动词(hear,see等)改被动语态（2）