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1、TheFifthPeriodModalVerbsTeachingAims:1.Reviewtheimportantusagesofmodalverbs.2.Sumupthedifferentsituationsofmodalverbs.TeachingImportantPoint:Howtousemodalverbscorrectly.TeachingDifficultPoint:Howtochoosemodalverbscorrectly.TeachingMethods:1.Reviewmethodtomastertheimportantusagesofmod
2、alverbs.2.Inductivemethodandcomparativemethodtomastertheimportantanddifficultpoints.TeachingAids:1.themultimedia2.theblackboardTeachingProcedures:CStepⅠGreetingsGreetthewholeclassasusual.CStepⅡRevisionT:Inthisunit,wehavedonesomepracticeaboutmodalverbs.Asweknow,modalverbshaveseveralpo
3、intsincommonwhichmakethemquitedifferentfromotherverbs.Now,pleasediscussthepointsincommonamongmodalverbsingroupsoffour.AfterawhileIwillcheckyouranswers.(Teachergivesstudentsenoughtimetodiscuss,andthencollectstheiranswersandsumsthemup.)ModalVerbs:1.Modalverbsareusedwhenwesaythatweexpec
4、tthingstohappenorthatthingsarepossible,ornecessary,orimpossible,orimprobable,orwhenwedescribethingsthatdidn’thappen,orthatwearenotsurewhethertheyhappened.2.Modalverbshaveno-sonthethirdpersonsingular.Questionsandnegativesaremadewithout“do”.3.Modalverbshavenoinfinitives.4.Modalverbshav
5、enopastforms.“Could”and“would”areusedwithpastmeaningsinsomecases.5.Modalverbscanbeusedwithperfectinfinitivetotalkaboutthingswhichdidn’thappen,orwhichwe’renotsureabout.CStepⅢRevisionoftheImportantUsagesofModalVerbsT:Goodwork.Asweallknow,modalverbscanbeclassifiedintoeightgroupsaccordin
6、gtotheirusages.Todaywewillreviewsomeimportantusagesofmodalverbs.Firstly,let’sreviewthemodalverbsthatcanbeusedtoexpress“possibility”.Pleasetellmewhichmodalverbscanbeusedtoexpress“possibility”.Ss:Can/could/may/mightallexpress“possibility”.T:Whentheyexpress“possibility”,theyarenotquitet
7、hesame.“Can”isusedtotalkabouttheoreticalpossibility.Ifwewanttotalkabouttheactualchancesofsomethinghappening,orbeingtrue,weuse“could/may/might”.Besides,“can”issometimesusedtotalkaboutpresent“possibility”,butonlyinquestionsandnegativesentences.Isthatclear?Ss:Yes.T:Now,let’sdosomeexerci
8、sestomastert
