Unit1 Food for thought Using language P5ppt课件-（含音频）-（新教材）新外研版高中英语必修第二册.zip

Using language P5P5 Unit 1 Food for thought RevisionUnderline the sentences below in the reading passage.a.Iwasabletoholdaknifeandforkandchopsticks!b.ButtherearestillsomedishesthatDaddare nottryevenaftermanyyearsofmarriagetomymother.c.MumandIjusthavetofindawaytogethimintothekitchen!d.wedbetternoteattoomuchroastfoodasitmaymakeussufferfromheatinsideourbodies,.e“Youneednttryitifyoudontwantto,”Mumsaid,.PresentationNow talk about the function of modals.Then match them.1beafraidtodosomething2notbenecessarytodosomething3giveadvicetodoornottodosomething4benecessaryorgivestrongadvicetodosomething5havetheabilitytodosomethinga.Iwas able toholdaknifeandforkandchopsticks!b.ButtherearestillsomedishesthatDaddare nottryevenaftermanyyearsofmarriagetomymother.c.MumandIjusthave tofindawaytogethimintothekitchen!d.wed betternoteattoomuchroastfoodasitmaymakeussufferfromheatinsideourbodies,.e“Youneednttryitifyoudontwantto,”Mumsaid,.a-5 b-1 c-4 d-3 e-2 beafraidtodosth.notbenecessarytodosth.PracticeUnderline the modals in the introduction to an app and talk about their meanings.benecessarytodosth.havetheabilitytodosth.giveadvicetodosth.donthavetheabilitytodosth.Summary情态动词情态动词(1)情态动词情态动词（Modals）本身具有一定的词义，不能独立作谓语，必须和动词原形动词原形一起构成谓语。情态动词虽然数量不多，但用途广泛。常用的情态动词包括can(could),may(might),will(would),shall(should),must,need,dare,hadbetter,oughtto,usedto等。几种常见情态动词的用法：几种常见情态动词的用法：1.be able to后接动词原形，表示某人做某事的能力，可用于大多数时态。用于过去时态时，还可以表示“某人过去或当时成功地做了某事”。例如：a)IwillbeabletospeakJapaneseinanotherfewmonths.再过几个月，我就能讲日语了。a)Theywereabletoescapefromthebuildingwhenthefirebrokeout.火灾发生时，他们设法从那栋建筑里逃了出去。【be able to 与can的辨析】beableto表示“能力”时，和can的用法相似。但也有区别：beableto有多种时态，如:was/wereableto,will/shallbeableto,have/hasbeenableto等,而can只有两种时态，即can和could。beableto强调通过努力而获得的能力，而can则强调自身已具有的能力。如：ShecansingthesonginEnglish.她能用英语唱这首歌。HewillbeabletosingthissonginEnglishinafewminutes,too.几小时之后，他也能用英语唱这首歌。beableto强调一种结果，而can只强调一种可能。如:Luckily,hewasabletoescapefromthebigfireintheend.幸运的是，他终于逃出了大火。Ifhegothereafewhoursearlier,Icouldsavehim.要是他早几小时来，我还能救他。beableto的否定形式是在be后面直接加not，即benotableto，如：Thekidisnotabletowrite.这孩子不会写字。Butwemaynotbeabletodothisforeveryscenario.但是我们不能每一种场景下都这么做。几种常见情态动词的用法：几种常见情态动词的用法：dare作情态动词时，主要用于否定句、疑问句和条件从句中，一般不用在肯定句中。如：HowdareyousayImunfair?你怎么敢说我不公平？情态动词dare可以有过去式dared，但也可以直接用dare表示过去式，或后接动词完成式，如：Motherdare(d)nottellfathershedgivenawayhisoldjacket.母亲不敢告诉父亲她把他的旧上衣送人了。2.dareneeddare用作实义动词，有时态、人称和数的变化。所不同的是，作实义动词时，在肯定句中dare后面通常接带to的不定式；在否定句和疑问句中，dare后可接带to或不带to的不定式。如：a.Iwonderhowhedares(to)saysuchthings.我纳闷他怎么竟敢说出这样的话来。b.Hedoesnotdare(to)answer.他不敢回答。need表示“需要”或“必须”，作情态动词时，用于否定句和疑问句中，在肯定句中一般用must,haveto,oughtto或should代替。如：Youneedntcomesoearly.你不用这么早来。need作为行为动词，可用于肯定句、否定句和疑问句中，其后可接名词、代词、动名词或带to的动词不定式为其宾语。如：Youneedtopracticereadingaloudeveryday.neednt后接完成式可以表示过去做了一件本来不必要做的事情，如：-Didyouanswertheletteryesterday?-Yes,Idid.-Butyouneednthaveansweredit.注意对注意对need问句的回答问句的回答:-NeedIfinishtheworktoday?-Yes,youmust./No,youneednt./No,youdonthaveto.neednt 对其它情态动词的回答对其它情态动词的回答:-ShallItellJohnaboutit?-No,youneednt/donthaveto.-Mustwedoitnow?-No,youneednt/donthaveto.几种常见情态动词的用法：几种常见情态动词的用法：haveto和must的意义相近，只是must侧重表示说话人的主观看法，而haveto则表示客观需要，如：Imuststudyhard.YouhavetohandinyourcompositionsbeforenextMonday.haveto的否定形式是donthaveto,相当于neednt，如：Theydonthavetobuyacomputeratpresent.他们目前没有必要买电脑。haveto有人称、数和时态的变化，如：Theyhadtospeedup,fortheweatherturnedterrible.Hehastostayathomebecauseofillness.3.have to 几种常见情态动词的用法：几种常见情态动词的用法：hadbetter后接动词原形，意为“最好”，用于现在时和将来时，可用于一切人称，没有任何词形变化。hadbetter的否定式是在其后加not，疑问式是把had和not提前，例如：a.Youdbettersithereandhavearest.你最好坐在这儿休息一下。b.Shehadbetternottellliesanymore.她最好再也别撒谎了。c.Hadntthedoctorbetterseehim?医生是不是去看看他比较好？4.had betterProdutionWhen we talk about the food,When we talk about the food,good good table mannerstable manners are much important.are much important.WhilegoingonyourfirsttriptotheUKisexciting,newanddifferentcustomscanalsobeconfusing.Tablemannersarenoexception.Butdontworry-herearesometips:lYou_waituntileveryoneelsehasbeenservedbeforeyoustarteating.lSometimestherearesomanyknivesandforksthatyou_pickthemupincaseyougetitwrong.Thetrickistostartwiththeonesontheoutside.Complete the tips for good table manners with the correct form of the modals in Activity 1.havetodarenotlWhenyoufinishyourmeal,you_placetheknifeandforktogetheronyourplatewiththehandlesatthefouroclockposition.Tablemanners,however,candifferindifferentsituations.Forexample,you_useaknifeandforkwheneatingahamburgerorpizza.Justremember:wheninRome,doastheRomansdo,andyouwill_enjoythelocalcuisine!Complete the tips for good table manners with the correct form of the modals in Activity 1.hadbetterneedntbeabletoThank you!