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Module6UnexplainedMysteriesoftheNaturalWorldGrammar外研版必修4.doc

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Module6UnexplainedMysteriesoftheNaturalWorld教学说明外研版必修4.doc

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Module6UnexplainedMysteriesoftheNaturalWorldPeriod4Grammar--Mayhave/mighthave■GoalsTolearntousemayhave/mighthave■ProceduresStep1:LearningaboutwaystotalkaboutpossibilityandimprobabilityMay—PossibilityWecanusemaytosaythatsomethingisapossibilitymay+verb-----Eventsinpresentmay+have+pastparticiple-----EventsinpastShemayberich.=Itispossiblethatsheisrich.Shemayhavemissedhertrain.=Itispossiblethatshemissedhertrain.Might—PossibilityMightisusedtosaythatsomethingispossibleinthepresentorthefuturelikemayWhatisdifferencebetweenmightandmay?Usuallymayandmighthavesamemeaningbutmightisusedwhenthesituationisnotreal.Ifyoudon’thurryup,youmightbelate.ShemightbehavinglunchatChineserestaurant.TospeculateaboutorconsiderthingsthatwereprobablytrueinthepastmaypossibilityJackmayhavebeenupset.Icouldn’treallytellifhewasannoyedortired.Shemayhavespokentohimyesterday.Jackmaynothavebeenupset.Perhapshewastired.TospeculateaboutthingsthatwereprobablytrueinthepastmightpossibilityShemighthavetakenthebus.I’mnotsurehowshegottowork.Imighthaveleftmybooksonthebus.Shemightnothavetakenthebus.Shemighthavewalkedhome.Step2:Putting“may”and“might”intodialogues‘May’DIALOGUEWoman:…thanksverymuch,beenveryuseful.Butwestillhavealottotalkabout.We’llneedanothermeeting.Whataboutnextweek?Boss:MayImakeasuggestion?Woman:Ofcourse.Boss:Couldwemeetagainnextmonth?Wemayhavemoreinformationbythattime.Woman:Ah.Um.Imaybeonholidaynextmonth.Boss:Isee.Well,nextweekthen.Woman:(CONVERSATIONFADES)Ithinkthat’sbest.‘Might’DIALOGUEMary:Ican’tfindmyphone.Tom:Itmightbeinyourbriefcase.Mary:No.Ialways….ohdear.IthinkImighthaveleftitinthetaxi.Tom:OhHelen.You’dbettercallthem.Mary:Ohgreat,yes,ofcourse.(CONVERSATIONFADES)ButIhaven’tgotaphone,haveI?Step3:Makingsentenceswith“may/mighthave”Hemayhavebroughtgoodlucktohiswife.Itsdeathanddestructionmighthavebeencausedbyglobalwarming.Theymighthavetalkedaboutmonstersamongthem.InChineseculture,dragonsmayhavebeencloselyconnectedtotheroyalfamily.Theemperor’srobesmighthavehadasymbolofagolddragonwithfiveclaws.Othermem