Unit5ThevalueofmoneyDiscoveringusefulstructures(导学案)(原卷版)

Unit5ThevalueofmoneyDiscoveringusefulstructures导学案【学习目标】1Tounderstandtheusageofmodalverbsandusethemtoexpressmodality2Touse“woulddo”or“was/weregoingtodo”totalkaboutfutureeventsinthepast课前预学区【学习过程】【观察句子】1.Pleaseletusknowifyoucannotattendthemeeting.2.Thatcan’tbeMary—she’sinNewYork.3.Hemightgetthereontime,butIcan’tbesure.4.Itcanbequitecoldhereinwinter.5.Hemayhavemissedhistrain,butIamnotsure.6.Carsmustnotparkinfrontoftheentrance.7.I’msorry,she’snothere.Shemusthaveleftalready.8.Youmustbehungryafterallthatwalking.【自我感知】1.情态动词can,could,must,might不能单独作谓语,后面只能跟动词。2.情态动词表示的可能性最大,如句8;表示的可能性最小,如句3;表有时可能,如句4。3.情态动词+havedone表对情况的推测,如句5,句7。课中导学区知识讲解情态动词can/could①.表示具有某种能力（体力/知识/技能）意为“会，能”，could是can的过去式。Eg.Aliciacanplaythepiano.艾丽莎会弹钢琴。IcouldswimwhenIwassixyearsold.我六岁的时候就会游泳。②.表示可能性，意为“可能会”Eg.Watercanbeturnedintoiceifitiscoldenough.如果温度足够低，水可能会结成冰。③.表示请求/许可，常用于一般疑问句,意为“可以”,could比can语气要更加委婉/客气Can/CouldIaskyouaquestion?我可以问你一个问题吗？④.表示推测，常用于否定句，cannot=cant意为“不可能”Eg.Thatcan'tbeMike.HehasgonetoNanjing.那不可能是迈克，他去南京了。Eg.Oneday,peoplewillbeabletotraveltothemoon.有朝一日，人们会到月球去旅行。may/might1．表示请求或允许，might可以指过去时间，也可指现在时间，语气更委婉。对may的一般疑问句的肯定回答可用may或can，但作否定回答时要用mustn’t或can’t。Youmayeifyouwish.如果你想来，你就来。May(Might)Iaskforaphotoofyourbaby?我可以要一张你宝宝的照片吗？—MayIsmokehere?—No，youmustn’t.You’dbetternot.——我可以在这里吸烟吗？——不，不可以。你最好不要吸烟。2．表示可能。可以指过去时间，也可以指现在时间，但语气不肯定。Thecrowdsmightdamagethebeautyoftheplace.人群可能会破坏这个地方的美。Shemaynotknowaboutit.她可能不知道这件事。3．用于表祝愿的句子中。Mayboththebrideandgroomhavehappylives.祝新娘新郎幸福绵长。must,haveto①must表示“必须；一定”，强调说话人的主观看法，认为有义务做某事；haveto表示“不得不”，强调客观需要，含有不情愿或被迫之意。例:Allpassengersmustwearsafetybelts.Thereisnobushere,andyouhavetogoonfoot.②mustn't意为“不许”，表示禁止；don'thaveto=needn't意为“不必”，表示没有必要。注意:must用于一般疑问句时，其否定回答应用needn't或don'thavetoo例:—Mustwehandinourhomeworktoday?—No,youdon'thaveto.Thelawsaysdriversmustn'tdriveafterdrinking.③must表示说话人的态度，意为“偏偏；非得”。例:Mustyoumakesuchabignoise?Ifyoumustgo,atleastwaituntilthestormisover.need&dareneed需要dare敢。既可作情态动词，又可作实义动词。由need引起的一般疑问句。肯定回答用must，否定回答用needn't①.作情态动词：无三单变化，后+动词原形。变否定，后+not。变疑问，前面提。Youneedn'tbesoworried.你不心如此担心。NeedIdoitatonce?我雪要立即做吗？Yes,youmust.星的，你必须。No,youneedn't.不，没必要。Dareyougohomealone?你敢一个人回家吗？Yes,Idare.是的，我敢。Shedaren'tevenlookatme.她甚至不敢看我。Howdaredtheydosuchathing?他们怎么敢干这样的事？②.作实义动词：有三单/时态变化，变否定，前+don't/doesn't/didn't。Sb.needtodosth./sth.needdoing=needtobedonedaretodosth.Idon'tneedtohavearest.我不需要体息.Thiscarneedsrepairing.=Thiscorneedstoberepaired.这辆车雪要被修理。Hedarestoswimacrosstheriver.他敢游过这条河。should&oughtto①.表示让步，建议和命令。should/oughtto可通用，但在疑问句中常用should。Youshould/oughttogotoclassrightaway.你应该立刻去上课。ShouldIopenthewindow?我应该开窗户吗？②.表示“应该”，oughtto表示义务或责任，比should语气重。Ishouldhelpherbecausesheisintrouble.她有麻烦，我应该帮助她。Yououghttotakecareofthebaby.你应该照顾这个婴儿。③.表示推测。should/oughtto(客观推测)must(主观推测)1.Hemustbehomebynow.(断定他已到家)2.Heoughtto/shouldbehomebynow.(不太肯定)3.Thisiswheretheoilmustbe.(直爽)4.Thisiswheretheoiloughtto/shouldbe.(含著)肯定：oughttodo=shoulddo应该做事。否定：oughtnottodo=shouldn'tdo不应该做草事一般疑问句：Oughtsb.todo……?Shouldsb.do…·?…应该做…吗？will&would1．表示意志或意愿。will指现在，would指过去，用于否定句表示“不肯，不乐意”。Iwillneverdothatagain.我决不会再做那种事了。2．表示征求意见或提出请求。主要用于第二人称疑问句中，will和would均可用，would此时不表示过去，而是表示委婉语气。Will/Wouldyoupassmethebook?请你把书递给我好吗？3．will和would可分别表示现在和过去反复发生的动作或某种倾向，意为“总是；常常”。Fishwilldiewithoutwater.没有水，鱼会死去。Whenmyparentswereaway,mygrandmotherwouldtakecareofme.我父母外出的时候，总是祖母照看我。过去将来时过去将来时一、过去将来时的含义过去将来时表示在过去某个时间看来将要发生的动作或存在的状态。过去将来时常用于宾语从句和间接引语中。判断这种时态的依据是：要有表示过去的“动作”，而不是时间。二、过去将来时的用法1.“would＋动词原形”。常表示按计划或安排即将发生的事。表示过去的某种习惯性行为，也常用would。Theyneverknewthatpopulationwouldbeeabigproblem.他们从来都不知道人口问题将会成为一个大问题。WheneveritwasSundayevening,wewouldsitintheyardandlistentohisstory.每到星期天晚上，我们都坐在院子里听他的故事。2.“was/were＋goingto＋动词原形”。常可用来表示按计划或安排即将发生的事。Shesaidshewasgoingtostartoffatonce.她说她将立即出发。【易混辨析】was/weretodo表示打算/计划做某事或客观迹象表明要发生的事was/weretodo表示过去计划或安排做某事was/wereabouttodo表示说话的瞬间就会发生的动作，意为“正要、即将”，一般不与明确的时间状语连用was/were＋doing表示过去将来时时，仅限于e,go,leave,arrive,start等词Whentheyarrivedtheplanewasjustgoingtotakeoff.飞机正要起飞时他们到了。Hesaidhewastofinishtheworkinaweek.他说他打算一星期后完成这项工作。Hewasabouttobetransferredtoaseasidetown.他正要被调往一座海滨小城。Alotofpeoplewereingtowatchthefireworks.有许多人要来观看焰火。【拓展】条件状语从句和时间状语从句中须用一般过去时代替过去将来时。TheteachersaidthatitwouldbeverydifficulttomakeprogressifIdidn'tworkhard.老师说，如果我不努力学习的话，就很难取得进步。课后思学区一、单项选择1．Someoldpeoplecanusetheputernow,butthey________tenyearsago.A．couldn’t B．mustn’t C．needn’t D．shouldn’t2．Youngpeople________respectoldpeople.A．shall B．should C．may D．might3．—_________Igowithmyfriendstotheharvestfestival?—No.you’dbetternot.A．Must B．May C．Would D．Need4．—Thiscityisadullplacetolivein.—Howsurprisingthatyou________thinkso!Iloveitverymuch.A．shall B．might C．should D．must5．You________driveafterdrinkingwinebecauseitisagainstthelaw.A．wouldn’t B．mustn’t C．won’t D．needn’t6．Hecametorealizethatsocialmediawastedlotsoftimewhichhe____________onhisresearchessay.A．shouldspend B．mustspend C．shouldhavespent D．musthavespent7．Thisroadisnarrowandthetrafficonitisheavy,sosometimesit______beblocked.A．should B．shall C．can D．need8．That’swhyLetterfromFatherChristmas________theperfectbookforthosewhoregardChristmasasaspecialtimeofyear.A．shouldbe B．couldn’tbe C．shouldn’tbe D．couldbe9．Yourchildren_____paytheadultpriceontripsbecausetheyareoldenough.A．would B．needn’t C．haveto D．shouldn’t10．—Isn’tthatAnn’shusbandoverthere?—No,itbehim.Iamsurehedoesn’twearglasses.A．can’t B．mustn’t C．won’t D．maynot11．Mum____bepreparingforthefestivalinthekitchen.Let’sgoandsee!A．can B．may C．must D．shall12．It’stoolate.I__________gohomenow.A．beableto B．haveto C．hadbetter D．dare13．——Lookatthemaninpinkoverthere!IsheJohn?——He________beJohnwhoisawayonabusinesstripnow.A．shouldn’t B．mustn’t C．maynot D．cannot14．Evenifyoulosethematch,youshouldn’t.A．loseyourheart B．loseheart C．losetheheart D．loseaheart15．It_____bequitecoldinthemountainsatnight,soyou’dbettertakeathickcoatwithyou.A．can B．dare C．would D．need16．Shesetoffat9a.m.and______theairportanhourlater.A．willreach B．wouldreachC．hadreached D．reached17．He________homewhenitbegantorainheavily.A．wasleaving B．wasgoingtoleave C．hadleft D．wasabouttoleave18．Brokeknewthatshe______timetofinishherhomeworkbytomorrow.A．willnothave B．wouldnothave C．donothave D．cannothave19．Jimisnotherejustnow.Hesaidhe_______ondutyatthelibrarythisafternoon.A．will B．wasgoingtobe C．was D．is20．Atthattimehedidn’tknowthatquittingthejob________theturningpointinhislife.A．wouldbee B．willbee C．became D．hasbee21．—Jerry,sorrytohavekeptyouwaiting.—Itdoesn’tmatter,butIneverthoughtyou________laterthanme.A．are B．willbe C．hadbeen D．wouldbe22．Margretpromisedthatshe________agiftwhenshewentbacktoWashington.A．willsend B．wouldsend C．hadsent D．wassending23．Theairlinepanyassuredusthat________nodelays.A．therewillbe B．therewere C．therewouldbe D．thereare24．ThelasttimeIspoketoyou,you________abusiness.Didyoudoit?A．weregoingtostart B．hadstarted C．started D．havestarted25．Shepromisedthatshe________anendtothesituation,butfailedtodoso.A．hadput B．wouldput C．wasputting D．wouldhaveput二、选词填空26．—MustIfinishthetaskrightnow?—No,you.(don’thaveto/mustn’t)27．It’ssonear;wehavetakenataxi.(shouldn’t/can’t)28．Youhavespentsomuchtimeplayingputergames.(mustn’t/oughtn’tto)29．Mysuggestionisthatifitrainstomorrowwegotothelibrary.(hadbetter/oughtto)30．Hehavemissedthetrain;hearrivedatthetrainstationtwohoursearly.(can’t/mustn’t)31．Yougotherealone;it’stoodangerous.(mustn’t/needn’t)32．Shesaidthatthemeetingthenextday.(wastobeheld/wasabouttobeheld)33．Wehavehelpedhim;inthatcase,hewouldhavebeenabletofinishthework.(should/can)34．Hefinishedalltheworkbyhimself;infact,hehaveaskedhisfriendsforhelp.(need/could)35．ThismorningIthoughtIatalkwithyoutonight.(wasgoingtohave/wasabouttohave)三、语法填空ThefamousPekingoperaartistYuanHuiqinhostedtwoculturetalks36werecalled“Charm(魅力)ofPekingOpera”inStockholmandSt.Petersburglastyear.Thetwosessions,asprogramsofChineseCultureTalk,37(organize)bytheBureauforExternalCulturalRelationsoftheMinistryofCul