英语人教版九年级全册被动语态课件.p.ppt

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1、ThePassiveVoice被动态Shewaterstheflowerseveryday.Theflowerseveryday.arewatered(byher)Thestudentsplantedmanytreesyesterday.Manytreeswereplanted(bythestudents)yesterday.语态：表示主语和谓语动词之间的关系。英语有两种语态，即主动语态和被动语态。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。如：ManystudentsstudyEnglish.(主动语态)Englishisstudiedbymanystu

2、dents.(被动语态)语态zxxkw学科网被动语态基本用法当句子的主语是动作的执行者时，谓语的形式是主动语态。当句子的主语是动作的承受者时，谓语要用被动语态。被动语态由助动词be+过去分词构成，时态通过be表现出来。肯定句：主语＋be+过去分词＋(by~)否定句：主语＋benot＋过去分词＋(by~)一般疑问句：Be＋主语＋过去分词＋(by~)?特殊疑问句：疑问词＋be＋主语＋过去分词＋(by~)被动语态的时态是由be的时态决定的，be是什么时态，全句就是什么时态，be动词后面的过去分词不变。bymanystudents.Englishisstudiedbymanystuden

3、ts.EnglishisnotstudiedzxxkwSuchbooksarewrittenforchildren.这些书是为儿童写的。Ihaven’tbeentoldaboutit.没有人告诉我这件事被动语态的用法（1）不知道或没有必要说明动作的执行者是谁.It’s/wassaid/believed/reported/+that…It’sreportedthataboutthreehundredpeoplewerekilledinthisearthquake.据报道，这次地震中大约有三百人死亡。（2）强调动作的承受者，这时应用by短语。ThecupwasbrokenbyDavi

4、d.（3）作客观说明时，常采用一种被动语态句型.助动词be有人称、数的变化,其变化规则与be作为连系动词时一样。如：Thedeskismadeofwood.Thedesksaremadeofwood.Heisaskedaquestionbytheteacher.被动语态的结构am/is/are+及物动词的过去分词1.一般现在时的被动语态结构：zxxkw1.Theyboughttencomputerslastterm．bythemlastterm.2.一般过去时的被动语态结构：was/were+过去分词lastyear.2.Weplantedmanytreeslastyear.Ma

5、nytreeswereplantedTencomputerswerebought3.一般将来时的被动语态结构：willbe+过去分词1.Theywillfinishtheworkintendays.bythemintendays.Theworkwillbefinished2.Tomwillcleantheroomtomorrow.TheroomwillbecleanedbyTomtomorrow.4.含有情态动词的被动语态结构：can/may/must/should+be+过去分词1.AmycantakegoodcareofGina．byAmy.Ginacanbetakengoo

6、dcareof2.Youshoulddrinkmorewater.Morewatershouldbedrunkbyyou.5.现在进行时的被动语态的结构is/am/are+being＋过去分词1.Someworkersarepaintingtheroomsnow．bysomeworkersnow.Theroomsarebeingpainted2.HeiswatchingTV.TVisbeingwatchedbyhim.6.现在完成时的被动语态的结构have/has＋been＋过去分词1.Wehavemadetwentymorekeys．byus.Twentymorekeyshav

7、ebeenmade2.Wehavefinishedourcompositions.Ourcompositionshavebeenfinishedbyus.表格：被动态基本结构时态被动语态结构一般现在时一般过去时现在进行时过去进行时一般将来时过去将来时现在完成时过去完成时am/is/aredonewas/weredoneam/is/arebeingdonewas/werebeingdoneshall/willbedonewouldbedonehave/hasbeendonehadb