英语人教版九年级全册教学文字素材.docx

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1、教学文字素材【例句】1.Manytreesshouldbeplantedinthemountains. 应该在山上种许多树。2.Youcantakethisbookhome.（改为被动语态）→Thisbookcanbetakenhome(byyou).3.Thisproblemcan’tbeworkedoutveryeasily.这道题轻易算不出来。4.Musttheworkbedoneatonce?这项工作必须立即完成吗？【结论】A.含有情态动词的被动语态的结构为：情态动词+___+及物动词的________。B.含有情

2、态动词的主动语态变为被动语态时，要把主动语态的_____变成被动语  态的主语。C.变为否定句时只需要在情态动词后加________。D.变为一般疑问句时只需把________提到句首。【运用】Ⅰ.选择最佳答案。(   )Youngtreesshould________everyyear.      A.beplanted   B.planted  C.plantⅡ.按要求完成下列各句，每空一词（含缩写）。1.Wemustdotheworkrightnow.（改为被动语态）   __________________righ

3、tnow.2.Teenagersshouldbeallowedtogooutwiththeirfriendsonschoolnights.（改为否定句） Teenagers__________________togooutwiththeirfriendsonschoolnights.StepIII.PracticeWorkon4a.Rewritethesentencesaccordingtotheexample.1.Youmustcleanyourbedroomeveryday. Yourbedroommustbeclea

4、nedeveryday. 2.Parentsshouldencourageteenagerstodosocialworkfortheircommunity. Teenagers________________________________________________________.3.CanLucydoherhomeworktomorrowinstead? Can____________________________________?4.Doyouthinkwemustkeepteenagersawayfromt

5、heInternet? Doyouthinkteenagers____________________________________?5.Parentsshouldgiveteenagerschancestomaketheirowndecisions. Teenagers______________________________________________________.