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1、TheFifthPeriodModalVerbsTeachingAims:1.Reviewtheimportantusagesofmodalverbs.2.Sumupthedifferentsituationsofmodalverbs.TeachingImportantPoint:Howtousemodalverbscorrectly.TeachingDifficultPoint:Howtochoosemodalverbscorrectly.TeachingMethods:1.Reviewmethodtomastertheimportantusagesofmodalverbs.2.Induct
2、ivemethodandcomparativemethodtomastertheimportantanddifficultpoints.TeachingAids:1.themultimedia2.theblackboardTeachingProcedures:CStepⅠGreetingsGreetthewholeclassasusual.CStepⅡRevisionT:Inthisunit,wehavedonesomepracticeaboutmodalverbs.Asweknow,modalverbshaveseveralpointsincommonwhichmakethemquitedi
3、fferentfromotherverbs.Now,pleasediscussthepointsincommonamongmodalverbsingroupsoffour.AfterawhileIwillcheckyouranswers.(Teachergivesstudentsenoughtimetodiscuss,andthencollectstheiranswersandsumsthemup.)ModalVerbs:1.Modalverbsareusedwhenwesaythatweexpectthingstohappenorthatthingsarepossible,ornecessa
4、ry,orimpossible,orimprobable,orwhenwedescribethingsthatdidn’thappen,orthatwearenotsurewhethertheyhappened.2.Modalverbshaveno-sonthethirdpersonsingular.Questionsandnegativesaremadewithout“do”.3.Modalverbshavenoinfinitives.4.Modalverbshavenopastforms.“Could”and“would”areusedwithpastmeaningsinsomecases
5、.5.Modalverbscanbeusedwithperfectinfinitivetotalkaboutthingswhichdidn’thappen,orwhichwe’renotsureabout.CStepⅢRevisionoftheImportantUsagesofModalVerbsT:Goodwork.Asweallknow,modalverbscanbeclassifiedintoeightgroupsaccordingtotheirusages.Todaywewillreviewsomeimportantusagesofmodalverbs.Firstly,let’srev
6、iewthemodalverbsthatcanbeusedtoexpress“possibility”.Pleasetellmewhichmodalverbscanbeusedtoexpress“possibility”.Ss:Can/could/may/mightallexpress“possibility”.5T:Whentheyexpress“possibility”,theyarenotquitethesame.“Can”isusedtotalkabouttheoreticalpossibility.Ifwewanttotalkabouttheactualchancesofsometh
7、inghappening,orbeingtrue,weuse“could/may/might”.Besides,“can”issometimesusedtotalkaboutpresent“possibility”,butonlyinquestionsandnegativesentences.Isthatclear?Ss:Yes.T:Now,let’sdosomeexercisestomaster
