初中英语被动语态的总结.pptx

探索被动语态的奥秘,总结及扩展,语法专项学习,英语中的动词有两种语态：_和_。,被动语态,被动语态：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,At