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时间:2018-05-02
《unexplaied mysteries of the natural world教案2》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、Module6UnexplainedMysteriesoftheNaturalWorldGrammar---教案TeachingGoals:1.ToenableSstoknowaboutthewaytoexpresspossibilityandimprobability.2.ToenableSstomastertheusageof“may”,“might”,and“likely”.3.TohelpSslearnhowtousemodalverbs“may”and“might”toexpressconjecture.Teachingproc
2、edures:Step1.RevisionChecktheanswerstotheVocabularyexercisesintheWorkbook.Step2.FunctionPurpose:ToletSsknowhowtotalkaboutpossibilityandimprobability.1.PairworkAskSstodoActivity1onpage54andthencallbacktheanswers.SuggestedAnswers:(1)a,b(2)c(3)unlikely2.GroupworkAskSstoident
3、ifythecreaturesinthepicturesinActivity4onpage55,byusing“may”or“might”.Arousetheirinterestintalkingaboutpossibility.3.IndividualworkAskSstodoActivity2onpage54individually.Thenchecktheiranswers.SuggestedAnswers:(1)Theremightstillbedinosaurssomewhere.(2)Don’tgonearthewater.I
4、tmaybeverydeep.(3)Weareunlikelytoseethemonster.(4)TheremaybeanundergroundriverfromLochNesstothesea.(5)Wemusthelphim–hemaynotbeabletoswim.(6)Therearelikelytobelotsofstrangecreaturesinthatlake.Step3.GrammarPurpose:ToenableSstoknowhowtousemodalverbs“may”and“might”toexpressco
5、njecture.1.GroupworkAskSstodiscussthetwosentencesinActivity1ofGrammaronpage57,andthenaskthemtochoosethebestanswer.SuggestedAnswers:Weusemayhaveormighthave(withthepastparticiple)totalkaboutsomethingwhichhappenedinthepast—perhaps.2.ExplanationExplainhowtousemodalverbstotalk
6、aboutsomethingwhichhappenedinthepast—perhaps.(1)对过去的事情进行猜测,但把握较小时,肯定形式一般用mayhavedone,否定形式一般用maynothavedone。如:Hemayhavegonebackhome,becausehedidn’tsayhewouldtakepartinherbirthdayparty.Hemaynothavepaidforthebill,becausehehadlosthisjob.(2)对过去的事情进行猜测,但把握更小时,肯定形式一般用mighthavedo
7、ne,否定形式用mightnothavedone。如:Theyhelpedsendherbattothehospital;otherwise,shethought,thebabymighthavedied.ShemightnothavelefthomewhenIgottoschool.(3)对过去的事情进行猜测,并且可能性较大时,肯定形式一般用musthavedone,否定形式一般用can’thavedone。如:Yourscoreisthehighest;youmusthavestudiedveryhard.Youcan’thavese
8、enherinherofficelastFriday;she’sbeenoutoftownfortwoweeks.3.PracticeAskSstodoActivity2onpage57.Th
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