初四复习--被动语态导学案

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1、Thepassivevoice被动语态导学案一、英语动词有两种语态：主动语态和被动语态。被动语态表示句子的主语和谓语动词之间是被动关系1.当我们不知道或不必指出谁是动作的执行者。Computersarewidelyusedintransport.2.或者只需强调动作的承受者时。Athirdringwillbebuiltaroundthiscity.基本结构：主动语态被动语态一般现在时V原/V-s/-esam/are/is+V.pp一般过去时v.过去式was/were+V.pp一般将来时will/begoingto+V.原will/begoingto+be+V.pp进行时

2、态be+doingbebeing+done现在完成时have/has+donehave/hasbeen+done过去完成时had+donehadbeen+done情态动词情态动词+V原情态动词+be+V.pp1ClassmeetingisheldeveryThursday.每周四都举行班会。2Thecupwasbrokenbytheboy.杯子被那个男孩打碎了。3Aspeechwillbegiventhisafternoon.今天下午有一个演讲。4Ithoughtthousandsofpeoplewouldbehelped.我认为将有数千人得到帮助。5Themachin

3、ewasbeingrepairedatthistimeyesterday.昨天这时，机器正在被修理。6Theproblemisbeingdiscussednow.问题正在被讨论。7Twohundredtreeshavebeenplantedbynow.到现在为止，已经种了二百棵树了8Shefoundthehousehadbeendestroyedbythestorm.她发现房子已经被暴风雨摧毁二、主动语态变被动语态的方法：宾变主，主变宾（by+宾格），谓语动词be“过分”（be+V过去分词）WespeakEnglish.Englishisspokenbyus宾变主谓语（

4、be+pp）主变by+宾格三、做题步骤：1、找出宾语（变主语）2、判断时态（be+done）时态一致3、检查三个一致性句式一致主谓一致主变by+宾格(放在时间状语之前)Imustsendthislettertohisschoolsoon.Thislettermustbesenttohisschoolbymesoon.▲做选择题技巧：1.选项出现被动态优先考虑被动态。2.注意主语与动词的关系：是主动还是被动3.happen、takeplace没有被动语态。4.变为被动语态,不能丢掉尾巴上的介词,常用的有lookafter,takecareof,cutdown,laugha

5、t,talkabout,turnon等小试身手：一选择（）1.Thecomputer_＿＿inJapanin2003andIhavehaditforonlyaweek.A.wasmadeB.canbemadeC.ismadeD.made2.Mostofthework_____bythecomputerlastyear.A.aredoneB.isdoneC.weredoneD.wasdone3.Thestudents________thebookstothelibraryontime.A.mustreturnB.arereturnedC.mustbereturnedD.m

6、usttoreturn4.Canyoutellmewhat_______lastnight?A.happenB.washappenedC.tookplaceD.wastakenplace5.Don’tworry.Allthechildren____bythenurses.A.lookafterB.arelookedafterC.lookedafterD.arelooked二用括号里的动词的适当形式填空，然后把句子由主动变成被动：1.Tom___________(speak)Englisheveryday.English___________________Tomever

7、yday.2.I__________(clean)thewindowsyesterday.Thewindows__________________________yesterday.3.We__________________(必须完成)thiswork.Thiswork___________________by______.4.They______________(play)footballtomorrow.Football__________________________________tomorrow.5._______they_