初中英语语法-被动语态

中考语法精讲被动语态,被动语态的基本构成：be+动词的过去分词（be+done),1.一般现在时am/is/are+done,Wecleantheclassroomeveryday.Theclassroomiscleanedbyuseveryday.,Heputonacoat.Acoatwasputonbyhim.,2.一般过去时was/were+done,Hemadethekite.Thekitewasmadebyhim.,3.一般将来时shall/will/begoingto+bedone,Theywillplanttreestomorrow.TreeswillbeplantedbythemtomorrowHeisgoingtowritealettertohismother.Aletterisgoingtobewrittentohismotherbyhim.,被动语态的用法,1.不知道动作的执行者是谁。,这块手表是中国制造的。ThiswatchismadeinChina.,2.没有必要指出动作的执行者,每年都应该种更多的树。Manytreesshouldbeplantedeveryyear.,3.需要强调或突出动作的承受者。,世界上越来越多的人说汉语。Chineseisspokenbymoreandmorepeopleintheworld.,4.句子的主语是动作的承受者。,许多房屋被冲走了。Manyhouseswerewashedawaybytheflood.,主动语态变被动语态的方法,（主语）（宾语）主动语态：动作的执行者+谓语动词的主动形式+动作的承受者被动语态：动作的承受者+谓语动词的被动形式+动作的执行者（主语）（宾语）,说明：（1）要将主动句里的宾语变为被动句中的主语，若主动句中的宾语为人称代词，要将宾格变成主格。（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)谓语动词变成相应的被动形式。,1.feel,look,sound,taste,smell，等系动词用主动表被动意义。例：Itsmellswonderful.Mooncakestastedelicious.,2.在beworthdoing中,doing表被动意义。例：Thisbookisworthreading.,课堂练习（一）改写句子1.Weplanttreesinspringeveryyear._byusinspringeveryyear.2.Shepostedtheletteryesterday._byheryesterday.3.MrTurnergavemeabirthdaypresent._abirthdaypresentbyMrTurner.4.Iwillbuyabooktomorrow.Abook_bymetomorrow.5.Sheisgoingtowritealetter._byher.,Treesareplanted,Theletterwasposted,Iwasgiven,Aletterisgoingtobewritten,willbebought,1.-Doyoulikethecloth?-Yes,it_verysoft.A.isfeelingB.feltC.feelsD.isfelt2Itisdifficultforaforeigner_ChineseAwriteBtowriteCtobewrittenDwritten3Theaccident_tenminutesago.A.happenedB.washappenedC.happeningD.happen4Themeeting_tomorrow.A.willholdB.isholdingC.w