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

《2019-2020年高中英语 Unit3 The world online Grammar and usage教案 牛津译林版选修7 (I)》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

2019-2020年高中英语Unit3TheworldonlineGrammarandusage教案牛津译林版选修7(I)Teachingaims:1.Leadthestudentstoknowaboutsomebasicinformationaboutauxiliaryverbs(wordsusedasauxiliaryverbs;functionofauxiliaryverbs);2.Enablethestudentstosummarizeusagesofmonandimportantauxiliaryverbs;3.Applywhatthey’velearnedaboutauxiliaryverbs.Teachingprocedures:Step1Lead-inQ:Whatareauxiliaryverbs?A:Auxiliaryverbsareusedinformingtenses,moodsandvoicesofotherverbs.Theverbsusedforthispurposeincludebe,do,haveandmodals.Step2IntroductionPointouttheauxiliaryverbs.1.Hedoesn'tlikeEnglish.2.Heissinging.1.Hehasgotmarried.4.HewassenttoEngland.5.DidyoustudyEnglishbeforeyoucamehere?6.Doyoulikecollegelife?7.Doetothepartytomorrowevening.8.Hedidknowthat.Step3Presentation:Auxiliaryverbs1.be（am/is/are/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.NeverdidIseesuchastrangeman.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?Ioftenhavemyassistanthelpmedoit.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?(2)Youshouldworkharder.Youmustputonmoreclothesincaseyoushouldcatchacold.(3)Willyougivemeacigarette?Thiswillbewhatyouneed.Shewillstandtheresleepingforhours.Ok,Iwilldoit.(4)CanIhelpyou,sir?Iamcheckingout.Couldyougivemethebill?Ofcoursewecanwait.Ican'thelpthinkingofit.(5)MustIgowithyou?No,youneedn't.Youmustn'tforgetyourmedicalcard.Oh,itiswetoutside.Itmusthaverainedyesterday.Soitmustbeslipperyoutside.Dobecareful!Youneedn'thavetoldmethatmuch.(6)Idarenotsayitisugly.Howdareyousayso?Tip:1)shall用于陈述句，表诺言、决心、警告、强制等;shall用于询问对方意向。2)should表示义务，责任等。3)will用于第二人称疑问句中,询问对方意志或请求。will+原形动词用于所有人称,表意愿。would+原形动词表示过去一段时间的习惯。4)can,could在口语中相当于may,might,表示许可。can,could表示能力,相当于beableto。can,could表示怀疑、推测,一般用于疑问句或否定句。can,could用于惯用语。can‘thelp或couldn’thelp+动名词表示忍不住。5)must表示必须、义务等,强调主观因素。need可以对must引导的一般疑问句作否定回答。must的否定式表示不准,禁止等意思。must+have+过去分词表示对过去情况的推断。must+原形动词表示对现在情况的推断。needn't+have+过去分词表示过去不必做却已经做了的事。6)dare作为情态助动词，一般只能用于疑问句或否定句中。3.Aphrasalauxiliaryverbhave(got)to,hadbetter/wouldsooner/rather(…than)/cannot(help)butdo/ be(not)to/besupposedto/oughtto/usedto/beaboutto/beableto…）It’sgettinglate.I’ve(got)togonow.Youdon’thavetotakeoffyourshoes.Manycountrieswouldratherbecautiouswiththisnewtechnology.Theticketshadbeensoldout,soIcouldnot(help)butgobackhome.Thechildrenaresupposedtobeatschoolbefore8a.m.Iusedtolovecatsbutnotnow,becauseIwasonceattackedbyabigblackcat.Hedidn’tusetosmokewhenhewasyounger.Didheusetoeasoftenashedoesnow?Tip:haveto强调客观因素。wouldrather表示宁愿做某事。couldnot(help)but只能做某事。aresupposedto应该做某事。usedto表示过去常常做某事。Step4Practice：ExercisesonPage41inthetextbook.Step5Homework(PPT27)1.Reviewwhatwehavelearnedinclass.2.Goovertheexercisesinclass.3.Finishtheworkbookexercises(P120).