Unit5TheValueofMoneyDiscoveringUsefulStructures课件高中英语人教版

DiscoveringUsefulStructuresLearningobjectives1.Toidentifythedifferentfunctionsofmodalverbs.2.Totalkaboutfutureeventsinthepastusing“woulddo”and“was/weregoingtodo”.patiencen.耐心；忍耐力；毅力教材原句Patience.

ifyoudon’tmind,mayIaskhowmuchmoneydoyouhave?要点必记havepatience忍耐一下patiencewith忍耐；反对withpatience耐心地outofpatience不耐烦；失去耐心losepatience失去耐心havenopatiencewith不能容忍一、核心词汇2.postponev.延迟；延期；延缓教材原句Hehadtopostponeopeningit他必须延迟打开它要点必记n.postponement延期；延缓postponeretirement延迟退休delay,postpone,defer,suspend,prolong,putoff

均有"推延，延期"之意。delay:

普通用词，多指因外界原因推迟或耽误，也可指有意推迟。postpone:正式用词，语气较强，多指有安排的延期，常指明延期到一定的时间。suspend:指暂时中断以待某种条件的实现。prolong:指把时间延长至超过正常或通常的限度。putoff:口语用词，与postpone同义，但较通俗。词义辨析3.intentionn.目的；打算

要点必记intendv.目的；打算intendedadj.故意的；有意的intendtodo想要做；想要做某事intendfor希望有或接到；打算成为…

4.incase以防；以防万一教材原句Incaseithappenedtoyouabroad以防它发生在你在国外的时候要点必记incase假使；假如；万一；如果inthecaseof就在来说inmostcase在大多数情况下ingoodcase健康强壮；生活富裕5.extentn.程度；限度教材原句Theywouldbeabletohelptosomeextent.在某种程度上，他们能够帮忙要点必记extend,lengthen,stretch,prolong

都含有"伸展，延长"之意。extent:

指时间或空间的延长，也可指影响和使用范围等的扩大。lenfthen:指把长度或期限拉长或延长，其反义是shorten。stretch:指长度的延伸以及宽度的增加。prolong:通常指时间上延长得超过了一般或正常的限度。二、Functionsofmodalverbs1.Hemay/cancomehome.2.Youcancomehomebyplaneorbytrain.3.Sheshouldapologizefornotbeingathome.4.Hemust/hastocomehomeimmediately.5.Hedoesn’thavetocomehome.6.Hecancomehomebyhimselfnow,sincehehasfullyrecovered.7.Hehadbettercomehomenow.8.Couldyoutellhismotherthathewillcomehometonight?9.Hewouldrathercomehometonight.Modalverbsareusedinconjunctionwithverbstoexpresstheirfunction.

Examples:Functions:1.permission许可2.possibility可能性3.obligation责任，义务4.necessity必要性5.lackofnecessity不必要6.ability能力7.advice建议8.apoliterequest委婉的请求9.intention意图三、ObserveanddetectReadthefollowingsentencesandtrytochoosewhatthemodalverbsexpress:1.Sincewehavefinishedthebook,wecandiscussitnow.2.Youmustdoitatonce,forthedeadlineisdue.3.Wouldyoupleasepassmethesalt?4.Youneedn’thavestayed.5.Yououghttohelphim.6.Iwouldratherdoitmyself.permission许可possibility可能性obligation责任，义务necessity必要性ability能力advice建议politerequest委婉的请求intention意图possibility/abilityObligation/strongadvicepoliterequestnecessityadviceintentionApplication四、VersatileModalVerbsHenryAdamsisstuckinaforeigncountrywithoutmoneyandfriends,andwithnowheretostay.Incaseithappenstoyouonatripabroad,whatshouldyoudo?Situation1:Readthepassageonpage54andfillintheblankswithsuitablemodalverbsinthebox.may mustcanoughttomighthadbetterwouldshouldInthefilmTheMillionPoundBankNote,HenryAdamsisstuckinaforeigncountrywithoutmoneyandfriends,andwithnowheretostay.Whilethissituation_______seemunusual,itcansometimeshappentotravellers.Incaseithappenstoyouonatripabroad,what_______youdo?First,andmostimportantly,you_______staycalm.Fear_____causeyoutobecomeconfused.Youneedtothinkclearly.Second,youshouldgotoyournearestconsulate.They________beabletohelptosomeextent.Third,you_______dowelltocheckwithsomelocalcharities.They______offerhelptotravellersinneed.Fourth,you___________avoidgettingintotrouble.You_______thinkthatstealingsomemoneyorfoodwouldhelpyou,butyoushouldnotdoso.Gettingcaught_______ruinyourlife.mayshouldmustcanoughttowouldmighthadbettermightwould五、Readthepassageagainandanswersomequestions.1.Howmanytipsarethere?Whatarethey?Fourtipsaregiven:First,andmostimportantly,youmuststaycalm.Second,youshouldgotoyournearestconsulate.Third,youwoulddowelltocheckwithsomelocalcharities.Fourth,youhadbetteravoidgettingintotrouble.Givingadvice:must;should;woulddowelltodo;hadbetter2.What’stheauthor’sreasonforeachtip?First,fearcancauseyoutobecomeconfused.Second,theconsulateoughttobeabletohelptosomeextent.Third,thecharitiesmightofferhelptotravelersinneed.Fourth,youmightthinkthatstealingsomemoneyorfoodwouldhelpyou,butyoushouldnotdoso.Gettingcaughtwouldruinyourlife.Showingpossibility:canwouldmightReadthepassageagainandanswersomequestions.六、NegativeAdvice:strongerweakerYoumustnotsaythingslikethat.Youshouldn’tsaythingslikethat.Yououghtnottosaythingslikethat.Youdon’thave/needtosaythingslikethat.Youhadbetternotsaythingslikethat.Youcannotsaythingslikethat.154632Differentmodalverbscanbeusedtoexpressdifferentlevelsofintensityandpolitenessinofferingadvice.七、Degreeofpossibility:highlowItmayraintomorrow.Itshouldraintomorrow.Itwillraintomorrow.Itcould/mightraintomorrow.3214Differentmodalverbscanbeusedtoexpressdifferentdegreesofpossibility.八、Offeringsuggestionsandgivingexplanations:1.—c;2.—f;3.—d;4.—a;5.—g;6.—e;7.—b.Consolidate

九、VersatileModalVerbs1.Offeringsuggestionsandgivingexplanations;VersatileModalVerbsThetworichbrothersinvitedHenryAdamsintotheirhouse.TheydecidedtomakeabetonHenryAdams.

WhydoyouthinkthebrotherschoseHenryfortheirbet?WhydidHenryAdamsaccepttheenvelopewithmoneyinit?2:Afterthemillion-poundnoteistakenoutpossibilityasimplefuturemodalstrongadvicepossibilitypossibilityabilityVersatileModalVerbsDiscussthescenefromTheMillionPoundBankNoteonpage52andshareyourunderstandingofthestory.Usemodalverbswhennecessary.Situation3:VersatileModalVerbs1.Offeringsuggestionsandgivingexplanations;2.Portrayingandanalyzingcharacters;3.Expressingopinions;1.只作情态动词的：2.可情态可实义的：3.可情态可助动词的:

4.相当于情态动词的:

十、情态动词的分类can/could,may/might,oughtto,mustneed,dare/daredwill/would，shall/should,haveto,usedto，hadbetter，usedto情态动词有一定的意义，大多数情态动词有多个意义。

necessity必要性possibility可能性obligation责任义务request请求advice建议intention意图

情态动词没有人称和数的变化，即不随主语的不同而变化。3.情态动词不能独立使用，须后接动词原形，一起构成谓语。情态动词的定义情态动词(Modalverb)Whatkindoffeelingsorattitudeisexpressed?Youhavetoreadbetweenthelinesbecausetherealmessagesareoftenhidden…Itmayseemluckytoyou.Astronautsmustwearspacesuitswhentheyworkinspacebecause…

Mayweaskwhatyou’redoinginthiscountry?Youshould/oughtto/hadbettergotoclassrightaway.Whatwouldyoudoifyouwereinhersituation?necessity表必要性possibility表可能和推测obligation表责任义务性request表请求或指示advice表建议intention表意图和愿望Functionsmodalwords:A.necessityB.possibilityC.obligationD.requestE.adviceF.intentionAnalyzewhatthemodalverbsexpress.1.HenrymustbeanAmerican.2.HenrycanbeanAmerican.3.

HenrycouldbeanAmerican.4.HenrymaybeanAmerican.5.HenrymightbeanAmerican.PossibilityModalverbsusedtoexpresspossibility:must,can,could,may,mightDegreeofpossibilityHighLowAnalyzewhatthemodalverbsexpress.1.Youmustcomeatonce.2.Wehavetowearuniformsatschool.3.Ioughttobeonmyway.Necessity&ObligationModalverbsusedtoexpressnecessity&obligation:

must,haveto,oughttoAnalyzewhatthemodalverbsexpress.1.Willyoupleasetakehertothelibrary?2.Couldyouoffermeworkhere?3.CanIaskaquestion?4.Mayweaskwhatyou'redoinginthiscountry?5.Wouldyoupleasepassmethesalt?RequestModalverbsusedtoexpressrequest:

will,could,can,may,wouldAnalyzewhatthemodalverbsexpress.1.Henrymustacceptthebanknote.2.Henrycouldacceptthebanknote.3.Henrycanacceptthebanknote.4.Henryhad

betteracceptthebanknote.5.Henryshould/oughttoaccepttheban