最新初中英语被动语态的总结课件ppt.ppt

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1、初中英语被动语态的总结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.1.一般现在时的被动语态a.主系表结构的句子无被动Thisboyi

2、sfromBeijing.Thefoodtastesverygood.b.Can型句子变被动e.g.Childrenmustfinishtheirhomeworkfirst.(变被动）Theirhomework___________________childrenfirst.mustbefinishedby构成：主语+情态动词+be+doneby…C.Do型句子变被动e.g.Mymotherdoesn’tallowmetoplay.(变被动）______________toplaybymymother.I’

3、mnotallowed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.wasputher3.现在进行时的被动构成：主语+be+being+doneby…Anothertallbuilding_____________nearhere.isbeingbuilt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/wereb

4、eingdoneby...Peoplewereplantingtreesfromthepasttonow.Trees_____________________peoplefromthepasttonow.wereplantedbybeing5.一般将来时的被动构成：主语+willbe+doneby…e.g.We_______________if we break the rules.（将被惩罚punish）willbepunished6.过去将来时的被动构成：主语+wouldbe+doneby…7.现在完成

5、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…hasbeensent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.a

6、rewateredherIwateredtheflowersyesterday.Theflowers_____wateredby____yesterday.wereme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

7、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,build2.Cotton___inthesoutheastofChina.A.is,gro

8、wnB.aregrownC.grows☺☺3.Sofar,themoon_____bymanalready.A.isvisitedB.willbevisitedC.hasbeenvisited4.AtalkonChinesehistory____intheschoolhallnextweek.A.isgivenB.willbegivenC.Hasbeengiven☺☺5.Howmanytrees____si