外研版（2019）必修二Unit 2 Let's celebrate!Using language 教学设计

B2U2UsinglanguageHello,everybody.Iamverygladtohavethislessonwithyou.Today,wearegoingtolearnsomemodalverbsandtheexpressionstodescribetheLanternFestivalcelebrations.Areyoureadyfortheclass?Nowlet’sbegin!►Modalsindicatingpossibility,andLanternFestivalcelebrations.Step1:Analysisofthematerial►语法部分通过提供化妆舞会和“黑色星期五”两个语境的相关练习，引导同学们了解情态动词表示推测的基本用法，使同学们能够在真实语境中正确、恰当使用情态动词。词汇部分以元宵节庆祝活动的思维导图的形式，归纳、总结了节日期间各种庆祝活动的相关表达，帮助同学们学会如何描述节日。Step2:Leading-in►Firstofall,let’slookatsomejokes,andseewhetheryoucangetthelaughingpoint.Joke1:A:Youshouldpayyourtaxeswithasmile.B:Itriedthatbuttheywantedcash.►Joke2:A:Youmustn’tpullthecat’stail.B:I’monlyholdingit.It’sthecatthatispulling.►Joke3:A:Didyouknowthateveryfoursecondsawomangivesbirthtoachild?B:That’sterrible.Wemustfindthiswomanandstopit.►Joke4:A:Dad,Icanhelpyousavesomemoney.B:Really!Howcanyoudothat?A:Doyouremembersayingyou’dgiveme10poundsforpassingmyexams?B:Yes.A:Well,youdon’thavetopaymenow.Don’tyoufindthejokesfunny?►Haveyounoticedthattheyhavesomethingincommon?Yes,theunderlinedwordsareall►modalverbs,orsaymodals,情态动词。NowwearegoingtolearnsomemodalsthatarefrequentlyusedinEnglish.Step3:Knowledgelearning►NoweveryonepleaseopenyourbooksandturntoPage17.LookatActivity1.Lookatthesentencesfromthereadingpassageandanswerthequestions.Thefirstsentence,“ThatiswhyLettersfromFatherChristmascouldbetheperfectbook….”Thesecondone,“Thechildrenmusthavebeenveryexcitedastheyopenedit.”Thethirdone,“…theymightnotreceivetheirpresentsiftheywerenotgood.”►Let’slookatQuestionOne:1.Whatdothewordsinboldindicate:anorder,arequest,abilityorpossibility?“Wordsinbold”,粗体字。“Indicate”heremeans“toshow,point,ormakeclearinanotherway”,表明，显示。“Request”means“theactofpolitelyorofficiallyaskingforsomething”,(礼貌、正式的)要求，请求。Sowhatdoyouthink?(5秒)►Yes,Thewordsinboldindicatepossibility,粗体字情态动词表示的是可能性。我们今天主要学习几个表达可能性的情态动词用法。►QuestionTwo:Willthemeaningofsentence(a)changeifwereplace“could”with“must”or“might”?Whatdoyouthink?（8秒）►Ifwereplace“could”with“must”,themeaningofsentence(a)willchange.Itmeansthespeakerisquitesureaboutthestatement.►Ifwereplace“could”with“might”,themeaningofsentence(a)willremainmoreorlessthesame.“Could”and“might”inaffirmativesentenceshaveasimilarmeaningwhenindicatingpossibility.“Affirmativesentence”,肯定句。Could和might在肯定句中表达可能性时意思相近。►Questionthree:Whathappensifwechange“must”and“might”insentences(b)and(c)into“could”?(5秒)►Ifwechange“must”insentence(b)into“could”,itmeansthespeakerisnotsureaboutthestatement,andit’sonlyapossibility.Could后加“have+过去分词”表示对过去的推测，意为“可能已经”。►Ifwechange“might”insentence(c)into“could”,itmeansit’simpossibleforthechildrentoreceivetheirpresents.Couldnot意为“不可能”。如果他们表现不好，他们就不可能收到礼物了。ThepassageTheRealFatherChristmasactuallycontainsmanymodalverbs.Noweveryone,►pleaselookformoresentenceswithmodalsinthereadingpassage.(20秒)►Let’slookatthesentencesinPara.3.1.Whocoulditbefrom?Could表猜测，会是谁寄来的信呢？2.Theletterswerealsobeautifullyillustrated—eachmusthavetakenitstrueauthor,Tolkien,alongtimetocomplete.Musthavetaken表示对过去的猜测，当时一定花了很长时间去完成每一幅画作。►AndthesentencesinPara.4andPara.5.3.Inanotherletter,FatherChristmascomplainedabouthowhecouldnotstophisplayersplayinggameswiththetoysinsteadofwrappingthemup.Couldnot不能够，他怎么也没办法让他们停下来。Andthelastsentence,…wecanallsharethetruespiritofgivingatChristmastime.在初步感知部分情态动词的形式和意义之后，我们来系统地学习一下表示推测意思的情态动词的用法，如can,may,might,could,must,以及以上情态动词加havedone表示对过去猜测的用法。►Thefirstone:can+动词原形Lookattheexample:Asahumanbeing,anyonecanmakeamistake.作为人类，任何人都有可能犯错。►can+动词原形用于肯定句，表示客观可能性，意为“可能”，即从理论上看是可能的，但不一定会发生。►sentencea:Hecan’thavealotofmoney.他不可能有很多钱。sentenceb:CanitbethatitwasI,nothe,whowasmistaken?难道是我弄错了，而不是他弄错了？►can+动词原形用于否定句或疑问句，表示对现在的动作或状态进行主观的猜测，意为“可能”，或表示惊异、怀疑等态度。►Thesecondone:may+动词原形a.Hemaybeverybusynow.他现在可能很忙。b.Hemaynotbeathome.他可能不在家。►表示主观的推测，意为“或许”，用于肯定句和否定句均可。►Thethirdone:might+动词原形a.TheymighthavealotofworktodonowbutI’mnotsure. 他们现在可能有很多活儿要干，不过我不确定。b.Shewasafraidtheymightnotliketheidea.她担心他们可能不喜欢这个想法。►表示推测，意为“可能”，可以指过去的情况，也可以指现在的情况，但语气比may更加不肯定。用于肯定句或否定句均可。►Thefourthone:could+动词原形a.Helooksyoung.Hecouldn’tbeover50.他看起来很年轻，不可能超过50岁。b.Coulditbetrue?那可能是真的吗？►意为“可能”，可以指过去的情况，也可以指现在的情况，语气缓和。多用于否定句或疑问句。►Thefifthone:must+动词原形a.Thismustbeyourroom.这一定是你的房间。b.Lookathisnewcar.Hemusthavealotofmoney.瞧他那辆新车。他肯定很有钱。►表示猜测，意为“准是，一定”，通常用于肯定句。►在表示对过去的猜测时，一般用情态动词加havedone的结构，如：1）must+完成式Shemusthavegonehome.她肯定已经回家了。►表示对已发生情况的推测，通常用于肯定句。►2）can+完成式a.Youcan’thaveforgottenher.你不可能已经忘记她了。b.Wherecanshehaveputit?她到底把它放在哪儿了呢？►表示对已发生情况的推测，主要用于否定句或疑问句。►3)could+完成式a.Hecouldnothavebeenmorethan16atthattime.他当时不可能超过16岁。b.Couldshehaveforgottenmyaddress?她会忘记我的地址吗？►表示对过去情况的推测，多用于否定句或疑问句。►4)may/might+完成式Hemay/mighthavecomebytrain.他可能是坐火车来的。►表示对已发生事情的不肯定的推测，might相比may语气更加不肯定。Step4:Languagepractice►同学们，现在我们来尝试初步运用以上提到的情态动词。PleaselookatActivity2onPage17.Rewritetheunderlinedsentencesintheconversationsusingcan/could,may/mightandmust.Readtheconversationandrewriteitnow.(40秒)Allright,let’slookatittogether.►Atafancydressparty,在一个化装舞会上。Chrissaid,“Ispentagesputtingupalltheballoonsandflowerslastnight.”Spendagesdoingsth强调花费的时间之长。Jeansaid,“Iexpectyouarefeelingtirednow!Thissentencecanberewrittenas►“Youmustbetirednow!”表示非常肯定的猜测，你现在一定很累了。Chrissaid,“Yes,Iam.Look,thatguyisdressedasBatman.IsthatMike?”Jeansaid,“It’spossiblyhim.Theword“possibly”canbereplacedbymay,might,orcould.►Itmay/might/couldbehim.Checkoutthatgirloverthere.I’msurethat’sLucy.”Fromthephrase“I’msure”wecanknowthatJeanwasquitecertain.Sowesay►ThatmustbeLucy.►Chrissaid,“No,Idon’tthinkthat’sLucy.Lucyisn’tthattall.”Wecansay►“Thatcan’tbeLucy.”不可能是Lucy.Jeansaid,“Lookatthosetwoguysdressedaschickens!Oh,they’rewavingatus!Maybethey’refromourschool.”Theword“maybe”indicatespossibility,soitcanberewrittenas►Theymay/might/couldbefromourschool.AndChrissaid,“Let’sgoandfindout.”Allright,somuchfortherewriting.Step5:Practicalapplication►Nowlookatthese2pictures.Areyoufamiliarwiththesituationsinthepictures?Whatarepeopledoinginthepicture?Actually,itis►BlackFriday.►BlackFridayisoneofthebusiestshoppingdaysoftheyear.Storeshavebigsalesandopentheirdoorsveryearly.Andasthepictureshows,peoplearecompetingtopurchasestuffsatstoreswithgoodprice.►Noweveryone,pleaselookatthispicturewhichisaboutBlackFridayshopping.Trytomakeasmanysentencesaspossibleusingcan/could,may/mightandmust.YoucanfindthepictureinActivity3onPage17.Nowpleasegetstarted.(20秒)Let’sdoittogether.►Firstofall,describethiswoman.►Thewomaninredmustbeveryexcitedtobuysomanythings.►Howaboutthisman?►Themanwithawalletinhishandmightbeabitreluctanttopay.Reluctantmeans“notwillingtodosomethingandthereforeslowtodoit”,不情愿的。►Andthiswoman?►Thewomanwithglassesmaybeverytiredtogetupsoearlyandcarrysomanybags.►Andthecashier,收银员.►Thecashiermightbefeelinguncomfortableasheissweatingalot.As引导原因状语从句，收银员可能感觉不舒服，因为他出了很多汗。Step6:Leading-inAllright,thisisallaboutBlackFriday,averyimportantdayinAmerica.Nowlet’scometosometraditionalChineseFestivalsandseehowmuchyouknowaboutthem.Firstofall,let’sdoalittlefestivalquiz.►Thefirstone,Whichfestivalincludesthetraditionsofsweepingthetombsofthedead,eatingcoldfood,andflyingkites?A.TheLanternFestival.B.TheSpringFestival.C.TheMid-AutumnFestival.D.TheTombSweepingDay.►Yes,itistheTombSweepingDay.InChinesewecallit清明节。►Thesecondone,Duringwhichfestivaldopeopleclimbtothetopofahillanddrinkchrysanthemumtea?Chrysanthemum菊花，chrysanthemumtea菊花茶。A.TheSpringFestival.B.TheLanternFestival.C.TheMid-AutumnFestival.D.TheDoubleNinthFestival.►Yes,itistheDoubleNinthFestival.重阳节。►Thethirdone,WhendidtheLanternFestivalcomeabout?A.DuringtheHanDynasty.B.DuringtheTangDynasty.C.DuringtheSongDynasty.D.DuringtheQingDynasty.►Yes,itisduringtheHanDynastythattheLanternFestivalcameabout,andithasbecomequitepopularsincetheTangDynasty.Step7:Knowledgelearning►DoyouwanttoknowmoreabouttheLanternFestival?HowdoChinesepeoplecelebratetheLanternFestival?►PleaseopenyourbooksandturntoPage18.LookatActivity4.UnderlinethewordsandexpressionsaboutcelebrationsduringtheLanternFestivalinthespeechbubblesandcompletethemindmap.Addanymoreyoucanthinkof.Noweveryonepleasereadthesentencesinthefivespeechbubbles.(30秒)►Pleasetakeyourtimetofinishthemindmap.(20秒)►Nowlet’slookatittogether.DuringtheLanternFestival,thefoodpeopleusuallyeatis►riceballs,元宵或者汤圆。Andthethingswegiveorreceiveare►flowers,ascarf,or►aredenvelope,红包。TocelebratetheLanternFestival,wedecorateourwindowswith►balloonsand►posters.AndtheactivitieswewillhavefortheLanternFestivalinclude►holdingalanternfairandalanternriddlescompetition,举办灯会，猜灯谜，andalso,wewill►letofffireworks,放烟花。Besidestheinformationgiveninthespeechbubbles,let’sthinkaboutmoreabouttheLanternFestival.►Forexample,WhatelsedoweeatontheLanternFestival?(3秒)►Wealsoeatdumplings,noodles,andsoon.►WhatelsedowegiveorreceiveontheLanternFestival?(3秒)►Wealsogiveorreceiveadress,chocolates,wine,andsoon.►WhatotherdecorationsdowehaveontheLanternFestival?(3秒)►Wealsohavedecorationslikepaper-cuts,剪纸，flowers,andsoon.►WhatotheractivitiesdowehaveontheLanternFestival?(3秒)►Wehaveactivitieslikedragondance,舞龙，liondance,舞狮，haveareuniondinner,吃团圆饭，andsoon.OK，刚才我们利用思维导图从食物、装饰、赠与的礼物以及节日活动等不同方面完成了对元宵节庆祝活动的描述，足见思维导图的重要作用。希望同学们也能够灵活使用思维导图，提高我们的英语学习效果。JustnowwehavelearntsomewordsandexpressionsabouttheLanternFestival,let’scheckhowmuchyouremember.Step8:Languagepractice►Everyone,pleaseLookatthesewordsinthebox:envelope,honour,decoration,celebrate,fair►Now,completethesentenceswiththecorrectformofthewordsinthebox.Therearealtogetherfivesentences.(20秒)Finishthemplease.►Thelasttwosentences.(10秒)Let’scheckyouranswer.►Thefirstone,TheSpringFestivaliscelebratedasthemostimportantfestivalbymanypeopleinChina.Thesecondone,BeforeSpringFestival,myfamilyputsup►decorationsalloverthehouse.Thethirdone,InChina,theelderlyoftengivemoneyinred►envelopestoyoungerpeopleduringsomeimportanttraditionalfestivals.►Thefourthone,Chinesepeopleoftenhonourtheirancestorswithcelebrationsandgifts.中国人经常用庆典和礼物来纪念他们的祖先。Thelastone,TheLanternFestivalisthebusiesttimeforthetrafficpolicebecausethelantern►fairandtheparadeattractalotofpeople.OK,afterthesentencepractice,let’sdescribeafestivalcelebration.►Everyone,pleaseopenyourbooktoPage18,andlookatActivity5.Describeafestivalcelebrationusingthewordsandexpressionsyouhavelearnt.Firstdecideonafestivalthatyou’dliketodescribe,andthenusethemindmapwefinishedjustnowtohelpyouorganizeyourwords.Youcanusethesentencelike,Tocelebrate…,weoftendrink/eat…,give…asgifts,decoratewith…Nowpleasegetprepared.(20秒)Justgiveyouanexample:►TocelebratetheSpringFestival,peopleinnorthernChinausuallyhaveabigfamilyreuniondinnerwithmanydishesonthetableintheafternoon.Atnight,theywilleatdumplingsanddrinkwine,alcohol,orbeverage.Elderpeopleusuallygivechildrenredenvelopswithmoneyinside,wishingthemhealthyandsafe.Step9:Practicalapplication►Nowlookatthepictures.Thereisaforeigncouple,Mr.andMrs.White,whoareveryinterestedintraditionalChinesefestivals.Theyfindthecustomsamazing.EveryonepleaseintroducetheLanternFestivaltothemandinvitethemtojoinyoutocelebrateit,usingtheexpressionsandmodalswelearnt.Nowgetprepared.(20秒)►Hereisonepossibleversion.I’msureyoumusthaveheardoftheSpringFes