九年级英语全册Unit5Whataretheshirtsmadeof第3课时SectionAGrammarFocus_4c课件.pptx

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1、第三课时SectionA(GrammarFocus4c)Unit5Whataretheshirtsmadeof?单元同步语法精讲一、主动语态与被动语态语态是英语句子中表明句子主语与谓语之间动作关系的一个概念，具体分为主动语态与被动语态两种。主动语态表明的是“句子谓语动作是由主语发出，即主语是谓语动作的执行者”这一种主谓关系。而被动语态表明的则是“句子谓语动作不是由主语发出的，主语反而是谓语动作的承受者”这一种主谓关系。eg：ManypeoplespeakEnglish.许多人讲英语。(主动语态，主语“Manypeople”是谓语动作“speak”的执行者)Englishissp

2、okenbymanypeople.英语被许多人讲。(被动语态，主语“English”是谓语动作“isspoken”的承受者)二、一般现在时的被动语态一般现在时的被动语态其谓语结构为：am/is/are＋及物动词的过去分词1．肯定句结构为：主语＋am/is/are＋及物动词的过去分词＋其他。eg：Farmmachinesaremadeinthefactory.农用机械在那个工厂被制造。2．否定句结构为：主语＋am/is/are＋not＋及物动词的过去分词＋其他。eg：Farmmachinearenotmadeinthefactory.农用机械没有在那个工厂被制造。3．一般疑问句结

3、构为：Am/Is/Are＋主语＋及物动词的过去分词＋其他？eg：Arefarmmachinesmadeinthefactory？农用机械是在那个工厂被制造的吗？【注意】①happen，belongto，have，cost，last，own，stay等一般不用被动语态。②taste，sound，prove，feel，look，smell等系动词常用主动形式表示被动意义。除此之外，read，sell，wash，write等动词用来说明主语的性质特征时，也常用主动形式表示被动意义。单元同步语法精练一、根据句意用所给词的适当形式填空。1．Theletter_______________

4、___(write)inEnglish.2．Shanxi____well__________(know)forTheQiao'sFamilyCompound(乔家大院)．3．Thetrees________________(cover)bysnowyesterday.4．Manyboys_______________(invite)tothepartylastSunday.5．Ourclassroom_______________(clean)bythestudentseveryday.was_writtenisknownwere_coveredwere_invitedis_c

5、leaned二、单项选择。6．—Whydoestheearthlookblueinspace?—Becausemostoftheearth'ssurface______bywater.(2016，黄石)A．coversB．iscoveredC．coverD．arecovered7．Studentsdolesshomeworknow.Usuallyit______before9o'clockintheevening.(2016，重庆)A．finishesB．finishedC．isfinishedD．wasfinishedBC8．—Yourclassroomissoclean.(

6、2016，绵阳)—Ofcourse.It_______everyday.A．iscleanedB．wascleanedC．cleansD．cleaned9．Alotoftrees________aroundhereeveryyearandwecanenjoyfresherairnow.A．plantB．isplantedC．wereplantedD．areplantedAD10．Morechances_______forstudentstolearnfromeachotherifworkingingroups.(2016，泰安)A．provideB．areprovidedC．p

7、rovidedD．willprovideB三、将下列句子改为被动语态的句子。11．PeoplegrowriceinthesouthernpartofChina.Rice____________inthesouthernpartofChina.12．Dadbuymeatoyplayereveryyear.Atoy___________________everyyearbyDad.13．Wheredoesheplanttreesinspring?Where____________________