高三英语《unit3 life in the future》教案

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1、必修5unit3LifeinthefutureTheThirdPeriod(Grammar—theusageofImperative,DisjunctiveandTherebe-)TheanalysisofteachingmaterialsImperative,EllipsisandTherebe-aredifficulttomasterforstudents.SothisclassfocusesonthisparttomakestudentstounderstandtheimportanceofImperative,

2、DisjunctiveandTherebe-andhowtouseandmakesentencesbyusingit.TheanalysisofstudentsMostofstudentsarepoorinEnglishgrammar,especiallyImperative,DisjunctiveandTherebe.However,Imperative,EllipsisandTherebe-areveryimportantintests,somasteringthesegrammarsarealsonecessar

3、yforuslearners.Teachinggoals:MakestudentsbecomefamiliarwiththeusageofthesesentencepatternsTeachingimportantanddifficultpoints.LetstudentsunderstandandmastertheusageofthesesentencepatternsTeachingproceduresStep1RevisionBeforehavingclass,showstudentssomesentenceso

4、fImperative,DisjunctiveandTherebetomakestudentsgetthegeneralideaaboutthisknowledge.Eg.WatertheflowersTom！Don'tbesosure.Docomeontimethisevening.Workhardandyouwillsucceed.Hesaidthathewouldcometomybirthdayparty，didn'the？Nevercomelate，willyou？Step2TheusageofImperati

5、ve,disjunctiveandTherebe.祈使句的用法：1.祈使句的谓语一律用动词原形，否定形式用“don't＋动词原形”，强调形式在肯定式的谓语动词前加do。2.祈使句的主语一般省略，但为了强调也可以说出主语，还可以同时带称呼语。3.祈使句＋and＋陈述句＝If...，＋主句4.祈使句＋or＋陈述句＝If...not...，＋主句反意疑问的用法：1.陈述部分是复合句时，反问部分一般应和主句保持一致，但前句为“Ithink/believe/suppose/expect/imagine/guess＋宾语从句”结构

6、时，问句应和从句的主谓保持一致，如果宾语从句的否定转移，反问句要用肯定形式。2.陈述部分是肯定祈使句时，可以用won'tyou或willyou反问。3.陈述部分是否定祈使句时，只能用will反问。4.陈述部分以let's开头时用shallwe反问。5.陈述部分以Letus开头，则用willyou反问。Therebe句型：1.Therebe句型中，be后面的名词是主语，句子结尾是地点(时间)状语Thereisatalltreeinfrontoftheclassroom.2.如果有两个或两个以上的主语，谓语动词be要采用就

7、近一致原则。Thereisapen，twobooks，andmanypencilsonthedesk.3.therebe结构中的谓语动词be有时可用seemtobe，happentobe，islikelytobe或remain，stand，lie，go，exist，follow，live，come，occur等替换。Thereislikelytobesomethingwrongwithhiscomputer.Onceuponatimetherelivedanoldmonkinthetemple.Step3随堂练习讲解1

8、．(2010·四川高考)Ifyouhaveajob，________yourselftoitandfinallyyou'llsucceed.A．dodevote　B．don'tdevoteC．devotingD．notdevoting【解析】　考查谓语动词的强调及“祈使句＋and＋将来时句子”的固定搭配。此处应是祈使句，又有谓语动