Unit2 Healthy eating知识课 新课标 人教版 必修3.doc

用心爱心专心117号编辑3Unit2Healthyeating知识课Part1:TeachingDesign（第一部分：教学设计）Period2:AsamplelessonplanforLearningaboutLanguage(Modalverbs:oughtto/oughtnotto/haveto/don’thaveto/mustn’t/needn’t)AimsTolearnaboutModalverbs:oughtto/oughtnotto/haveto/don’thaveto/mustn’t/needn’tTodiscoverandlearntousesomeusefulwordsandexpressionsTodiscoverandlearntousesomeusefulstructuresProceduresI.WarmingupWarmingupreadingaloudthetextCOMEANDEATHERE(1)WepromotereadingaloudtostudentsandbystudentsinordertoencouragealoveofEnglishbooksandadesiretobecomeafluentEnglishspeaker.SoReadaloudthetextbeforewelearnaboutthegrammar.II.DiscoveringusefulwordsandexpressionsInpairsdotheexercises12and3onpages11and12.Youmustfinishthemin5minutes.III.Learningaboutgrammar1.ReadandidentifyReadthetextCOMEANDEATHERE(1)discoveringallthesentenceswhichcontainanyofthemodalverbs:oughtto/oughtnotto/haveto/don’thaveto/mustn’t/needn’t.2.ConsolidatingbydoingexercisesToconsolidateyourunderstandingyouwillbegiven10minutestogooverexercises12and3onpages12and13.Youmayjustwriteinyourtextbook.Imeanthestudent’sbookyouareworkingby.IV.ReadyusedmaterialsforModalverbs:oughtto/oughtnotto/haveto/don’thaveto/mustn’t/needn’t1.WhatareModalVerbs?Modalauxiliaryverbshelpotherverbsexpressameaningoranideabuthavenomeaningbythemselves.InEnglishmodalauxiliaryverbsaredefective;forexampletheydonothaveparticipleforms(no-ingor-edendings).Theyareusedinavarietyofgrammaticalmoodssuchastheconditionalmoodwhichexpressesuncertainty("Iwouldbedelightedifyoucametomyparty").Modalauxiliaryverbsarespecialverbswhichbehaveverydifferentlyfromnormalverbs.Nextaresomeimportantdifferences.2.Modalverbsdonottake"-s"