2019-2020年高中英语 Unit3 The world online Grammar and usage教案 牛津译林版选修7

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1、2019-2020年高中英语Unit3TheworldonlineGrammarandusage教案牛津译林版选修7Teachingaims:1.Leadthestudentstoknowaboutsomebasicinformationaboutauxiliaryverbs(wordsusedasauxiliaryverbs;functionofauxiliaryverbs);2.Enablethestudentstosummarizeusagesofmonandimportantauxili

2、aryverbs;3.Applywhatthey’velearnedaboutauxiliaryverbs.Teachingprocedures:Step1Lead-inQ:Whatareauxiliaryverbs?A:Auxiliaryverbsareusedinformingtenses,moodsandvoicesofotherverbs.Theverbsusedforthispurposeincludebe,do,haveandmodals.Step2IntroductionPoint

3、outtheauxiliaryverbs.1.Hedoesn'tlikeEnglish.2.Heissinging.1.Hehasgotmarried.4.HewassenttoEngland.5.DidyoustudyEnglishbeforeyoucamehere?6.Doyoulikecollegelife?7.Doetothepartytomorrowevening.8.Hedidknowthat.Step3Presentation:Auxiliaryverbs1.be（am/is/ar

4、e/was/were/been）Thesmallanimalsarekeptinthecages.Heisgivingalecture.TheInternethastoomuchinformationthathasnotbeenevaluatedforaccuracy.Yourhouseisbiggerandnicerthanmine.Iamtogoabroadonbusinesstomorrow.Tips:1)be作为本动词表示状态或客观存在等意思。2)be+不定词连用,表示约定、义务、命令等

5、未来的动作或状态。3)be+现在分词构成各种进行时态。4)be+过去分词构成被动语态。5)be用于have/has/had后构成完成时。2.do（does/did）Hedidn’tfindanyusefulinformationontheInternet.Theseerrorsdonotoccurasoftenwhenpeopleusetraditionalreferencematerials.Then,whydoesheehere?Youdoknowalotaboutputers.Neverd

6、idIseesuchastrangeman.Tip:1)do作为助动词时的时态、人称和数的变化有do,does,did三种形式。2)do+主词+原形动词构成疑问句。3)do+not+原形动词构成否定句。4)do(+not)+主词用于附带问句。5)do+原形动词用于加强语气句。6)Never(Only)等+do+主词+原形动词用于倒装句3.have（has/had）Ihaveneverseensuchastrangeman.CanIhavemyhaircutnow?Ioftenhavemyassi

7、stanthelpmedoit.Tip:1)助动词have+过去分词构成完成时态。2)have+受词+过去分词表示请或让别人做某事。3)have+受词+原形不定词表示请或让某人做某事。4.modals（shall/should/will/would/can/could/may/might/must/need/dare）(1)Ok,Ishalldowhatyousaid.Youshallgivemeacigarette,orIshalltelltheboss.WhereshallImeetyou?

8、(2)Youshouldworkharder.Youmustputonmoreclothesincaseyoushouldcatchacold.(3)Willyougivemeacigarette?Thiswillbewhatyouneed.Shewillstandtheresleepingforhours.Ok,Iwilldoit.(4)CanIhelpyou,sir?Iamcheckingout.Couldyougivemethebill?Ofcoursewecanwait.Ican'the