初中英语被动语态的总结PPT文件格式下载.pptx
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是指句子中的主语是动作的承受者。
主动语态,主动语态:
是指句子中的主语是动作的发出者。
一.被动语态的使用情景,为了突出强调动作的承受者时;
2.不知道或没有必要提动作的执行者时;
3.为了避讳说出动作的执行者时。
Myhandishurt.,Haveyourbooksbeenhandedout?
Mr.Wang,thewindowwasbrokenjustnow.,二.被动语态的构成,主语+助动词be+done+by+动作发出者,动作的承受者,Apples,are,eaten,by,me.,举例,1.一般现在时的被动语态2.一般过去时的被动语态3.现在进行时的被动语态4.过去进行时的被动语态5.一般将来时的被动语态6.过去将来时的被动语态7.现在完成时的被动语态8.过去完成时的被动语态,三.被动语态的分类,1.一般现在时的被动语态,a.主系表结构的句子无被动,ThisboyisfromBeijing.Thefoodtastesverygood.,b.Can型句子变被动,e.g.Childrenmustfinishtheirhomeworkfirst.(变被动),Theirhomework____childrenfirst.,must,be,finished,by,构成:
主语+情态动词+be+doneby,C.Do型句子变被动,e.g.Mymotherdoesntallowmetoplay.(变被动),___toplaybymymother.,Im,not,allowed,总结:
主谓宾结构的句子有被动。
2.一般过去时的被动,e.g.Sheputhishandbagonthetable.(变被动),Hishandbag__by_onthetable.,was,put,her,3.现在进行时的被动,构成:
主语+be+being+doneby,Anothertallbuilding___nearhere.,is,being,built,构成:
主语+was/were+doneby,另一高楼正在附近建造。
4.过去进行时的被动,主语+was/werebeingdoneby.,Peoplewereplantingtreesfromthepasttonow.,Trees____peoplefromthepasttonow.,were,planted,by,being,5.一般将来时的被动,构成:
主语+willbe+doneby,e.g.We___ifwebreaktherules.(将被惩罚punish),will,be,punished,6.过去将来时的被动,构成:
主语+wouldbe+doneby,7.现在完成时的被动,e.g.Theyhavealreadysentforadoctor.(变被动句),Adoctor_already_forbythem.,8.过去完成时的被动,构成:
主语+hadbeendoneby,构成:
主语+have/has+been+doneby,has,beensent,三.变被动语态需要注意:
1.人称代词格的变化:
主格宾格的转换,2.上下时态的一致性:
Shewaterstheflowerseveryday.,Theflowers__by_everyday.,are,watered,her,Iwateredtheflowersyesterday.,Theflowers_wateredby_yesterday.,were,me,谓语动词必须是及物的,如果是不及物动词,必须要带上相应的介词。
3.谓语动词的及物性,Thestudentslistentotheteachercarefullyinclass.,Theteacherislistenedtocarefullybythestudentsinclass.,4.当感官动词see,hear,watch,feel接省略不定式符号to的动词原形作宾语补足语的句子变被动语态时,省略的to,必须补出来。
e.g.WeoftenseeLiLeiplayfootball.(变为被动),LiLeiisoftenseen_footballbyus.A.playB.toplayC.playing,实战练习:
一.单项选择,1._anewlibrary_inourschoollastyear?
A.Is,builtB.Was,builtC.Did,build,2.Cotton_inthesoutheastofChina.A.is,grownB.aregrownC.grows,3.Sofar,themoon_bymanalready.A.isvisitedB.willbevisitedC.hasbeenvisited,4.AtalkonChinesehistory_intheschoolhallnextweek.A.isgivenB.willbegivenC.Hasbeengiven,5.Howmanytrees_sincelastyear?
A.areplantedB.plantedC.havebeenplanted,6.Allofthethings_inChina.A.madeB.aremadeC.ismade,7.Alotofthings_bypeopletosavethelittlegirlnow.A.aredoingB.arebeingdoneC.willbedone,8.Yourthingswillbe_byme.A.takencareB.takencareofC.takecareof,9.Yourshoes_.Youneedtobuyanewpair.A.wornoutB.arewornoutC.wearout,10.Who_thebook_by?
A.is,writtenB.was,writenC.was,written,Thanksforlistening!
连词成句(可适当添加),1.atalk,give,soon2.thetrees,must,plant3.Thebank,rob,yesterday4.Acamera,usefor,takephotos5.football,play,manypeople,Atalkwillbegivensoon.,Thetreesmustbeplanted.,Thebankwasrobbedyesterday.,Acameraisusedfortakingphotos.,Footballisplayedbymanypeople.,课后作业练习,