初中英语九年级全册-Unit 6 Section A Grammar focus 导学案

九年级英语上册Unit6导学案课型：设计：审核：审批：班级：小组：姓名：使用时间：月日星期Unit6whenwasitinvented?SectionAgrammarfocus第四课时LearningObjectivesTounderstandandusethepassivevoice(pasttense)be+v(ed).Totalkaboutwheninventionswereinventedandwheretheywereinvented.Ifyoulike,youcanpracticemore.自学指导自学检测及课堂展示Leadin1.拉链是什么时候被发明的？___________thezipper________?2.它于1893年被发明。It_______________in1893.3.它是由谁发明的？___________itinvented______?4.它是由惠特科姆•贾得森发明的。It_______________WhitcombJudson.5.茶叶什么时候被带到韩国去的？___________tea_________toKorea?6.是在六到七世纪之间被带到韩国。It____________toKorea________the6thand7thcenturies.7.热冰淇淋勺用来做什么？What___thehotice-creamscoop__________?8.它用来舀很冷的冰淇淋。It’s_______________reallycoldice-cream.Grammarfocus英语中有两种语态。即主动语态(TheActiveVoice)与被动语态（ThePassiveVoice)。表示主语是动作的执行者;表示主语是动作的承受者.用法不知道或没必要指出动作的执行者Thesebooksforchildren.这些书是为儿童写的。强调或突出动作的承受者ThebookbyMoYan.这本书是由莫言写的。动作的执行者不是人而是无生命的事物Manytrafficaccidentsbycarelessdriving.很多交通事故是由粗心驾驶造成的。一般过去时的被动语态的句式结构有哪些?一般过去时的被动语态肯定句否定句一般疑问句特殊疑问句主动语态变为被动语态的方法Edisoninventedthelightbulb.主语谓语动词主动语态(过去时)宾语ThelightbulbwasinventedbyEdison.主语谓语动词被动语态(be+V-ed)介词+宾语◆主动语态变被动语态的方法主动语态的_____变成被动语态的_____。2.主动语态的谓语动词变成“__________+及物V-ed”形式。3.主动语态的_____变成by引导的介词短语放在主谓结构后面，有时可以省略。4.其他成分不变主动语态变被动语态应注意的问题1.有些短语动词相当于及物动词，变为被动句时介词或副词不能去掉。e.g.Theyputoffthemeetingbecauseoftheweather.Themeetingwasputoffbecauseoftheweather.2.含有双宾语的主动句变为被动句时，通常把指“人”的间接宾语变为主语，指“物”的直接宾语保留不变；如果把指“物”的直接宾语变为主语，则在间接语前加to或for。e.g.Myauntgavemeane-dictionaryyesterday.Iwasgivenane-dictionaryyesterday.Ane-dictionarywasgiventomeyesterday.3.主动句中感官动词see/hear/watch/feel等和使役动词make/let/have等后跟省略to的动词不定式，变为被动语态时应加上不定式标志to。e.g.Isawaheavymanenterthehouse.Aheavymanwasseen(byme)toenterthehouse.4.系动词、不及物动词或某些短语动词（happen,takeplace,cometrue,fallasleep…）没有被动语态。e.g.WhathappenedtoMr.Brown?主动语态不能变成被动语态的情况主动语态不能变成被动语态的情况当宾语是反身代词或相互代词时Hemadehimselfacupofcoffee.Theyhelpeachother.当宾语是不定式或V-ing时Weallwanttobeteachers.当某些动词表示状态或结果时Themilktastesslightlysour.当宾语表示数量、重量、大小或程度Thejadeweighsoneton.Rewrite1.Someonestolemywatch. ____________________________________________2.Theyusedfiveeggstomakethisbigcake. ___________________________________________3.Whendidtheyinventthepersonalcomputer? ___________________________________________4.Theyaskedusnottoruninthehallway.____________________________________________5.Someonetookthevideobacktothestore._____________________________________________Practice1.Thesedaysstudentsinsomeschools______nottousemobilephones.A.askB.asked C.areasked D.wereasked2.Alotoftrees______onthehillyesterday.A.areplanted B.willbeplantedC.havebeenplanted D.wereplanted3.WhenTim_______whyhewaslateforschool,hejustkeptsilent.

A.wasasked

B.asked

C.w