英语语法主动语态和被动语态课件.ppt

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1、Lesson9period2Revision:What’sthemainideaofthepassagewelearntyesterday?Whichsentencetellsyouthat?Newnationalflagischosen.Competition:whichgroupcanfindthemostsimilarstructurefastestinparagraph1.TheChinesenationalflagisknownallovertheworld,butitsstoryisnotverywellkown.In1949,from

2、14thJulyto15thAugust,acompetitionwasheldtofindanewflagforChina.Peoplewereinvitedtosendtheirideastothenewspapers.Manypeopletookpart.Morethan3,000ideaswerereceived.Theseideaswerelookedatmanytimesbyagroupofimportantpeople.Intheend,onlythirty-eightwerechosen.Discusion:theactivevoi

3、ce主动语态&thepassivevoice被动语态什么时候用主动语态或被动语态？主动语态和被动语态的动词结构是怎样的？3.主动语态句子变成被动语态句子哪三个部分要变？怎么变？语态动词时态结构主动语态被动语态一般现在时一般过去时什么时候用主动语态或被动语态？主语是动作的执行者就用主动语态主语是动作的承受者就用被动语态WestudyEnglishatschool.Englishisstudiedbyusatschool.我们用木头做家具。那只老鼠被猫抓住了相机是用来照相的。Discusion1:theactivevoice主动语态&thepassiv

4、evoice被动语态主动语态被动语态被动语态语态动词时态结构theactivevoicethepassivevoice一般现在时一般过去时amis+p.p.arewas+p.p.werevv+sesp.t.Discusion2:theactivevoice主动语态&thepassivevoice被动语态Wecallthedoctor.Peopledon’tplayfootballhere.Thetruckwascleanedyesterday.Decideifthesesentencesareactiveorpassive.MrChenteache

5、susEnglish.Theclassroomwascleaned.activeactivepassiveactivepassiveExercise：1.Thekey______forlockingtheclassroomdoor.A.usesB.isusedC.isusingD.use2.Anewschool_______overtheretwoyearsago.A.builtB.wasbuiltC.buildD.builds3.Thelostchildren______onOctober7,1998.A.wasfoundB.isfoundC.f

6、oundD.find4.AtalkonChinesehistory________intheschoolhallyesterday.A.isgivenB.giveC.wasgivenD.gaveBBACDisscusion3:theactivevoice主动语态&thepassivevoice被动语态主动语态句子变成被动语态句子哪三个部分要变？怎么变？1.把原句的宾语改为主语。2.把原句的谓语动词改为被动语态结构(be+p.p.)。3.把原句的主语改为by的宾语（用宾格）,可省略。e.g.Shecleanedtheroom.Theroomwascl

7、eaned(byher).Oralpractise:Eachstudentinonegroupoffoursayasentenceinactivevoice,theotherstudentschangeitintothepassivevoice.Writedownthesentences.以四人小组为单位，每个同学写说一个主动语态的句子，其他同学把这个句子变成被动语态。说完可以写下来。1.Theyplaybasketballintheirschool.(改为被动语态)Basketball_____________intheirschoolbythe

8、m.isplayed2.Thenaughtyboybrokethewindow.Thewindow____________