UnitReview (2).ppt

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1、ThePassiveVoice被动语态(一)授课教师：张伟荣了解被动语态1.英语中有两种语态，主动语态和被动语态主动语态表示主语是动作的执行者，被动语态表表示主语是动作的承受者。被动语态构成：be+P.Pbe动词有人称和数的变化2、形式:1）一般现在时：am/is/are+P.P2)一般过去时：was/were+P.P3、被动动态的使用：强调动作的承受者是谈话的中心时，用被动语态，可带by短语。4、及物动词才有被动语态。被动语态的主语大多数是物。5.主动语态变为被动语态的方法：1）将主动句中的宾

2、语变为被动句中的主语，宾语是人称代词，宾格要变为主格。2）把主动句中的主语变为被动句中的宾语，主格变宾格，并由by引导。3）谓语动词变为相应的被动语态，时态与主动句一致。实例PeoplespeakEnglishintheworld.主谓宾Englishisspokenbypeopleintheworld.①②③④总结:主动语态被动语态宾语→谓语→主语→其他→抄下来主语be+P.Pby+宾语1.HeteachesEnglishinourschool.Englishistaughtinourscho

3、olbyhim.一般现在时语态转换宾提前变主，主变介by宾，被动be加done,时态看主动练习:将下面的句子变为被动语态.1.Wecleantheclassroomintheafternoon.→Theclassroomiscleanedbyusintheafternoon.2.Theymakeshoesinthatfactory.→Shoesaremadebytheminthatfactory.3.Lucydoesthehomeworkintheevening.→Thehomeworkisdo

4、nebyLucyintheevening。4.Weoftenwatertheflowers.→Theflowersareoftenwateredbyus.2.Weplantedmanytreeslastyears.Manytreeswereplantedbyuslastyear.一般过去时的被动语态：was/were+P.P一般过去时语态转换.将下列主动句变为被动语态1.Iplayedthepianolastnight.Thepianowasplayed(byme)lastnight.2.Heb

5、oughtabookyesterday.Thebookwasbought(byhim)yesterday.3.Theybuiltthishousein1989.Thishousewasbuilt(bythem)in1989.4.Heinventedthetelephonein1876.Thetelephonewasinventedin1876.将下列句子变为被动语态，每空一词。1.wecleanourclassroomthreetimeseveryday.Ourclassroom________

6、threetimeseveryday.2.TheyproducesilkinSuzhou.Silk___________inSuzhou.3.Theywateredtheflowersyesterday.Theflowers___________yesterday.4.LucysentaNewYearCardtomelastweek.ANewYearCard____________mebyLucylastweek.isproducedwassenttoiscleanedwerewatere

7、d用所给词的正确形式填空1.Toomuchwaterbyhimeveryday.(drink)2.FiveapplesbyTomeveryday.(eat)3.I____often________byher.(help)4.She____often______byme.(hit)5.Manytrees______plantedbyuseveryyear.6.1000trees______plantedbyuslastyear.7.Aknife_________usedtocutapples.用b

8、e的正确形式填空isdrunkareeatenhelpedishitarewereamisConclusion:一般现在时——am／is／are+v.p.p.一般过去时——was／were+v.p.p.被动语态的构成：be+vt.p.p.被动语态：主语是动作的承受者。Thankyou!Goodbye!