新概念英语第一册lesson-125课(共37张PPT)

Lesson125CanPetercomeinandhavetea?Yes,hecan.Questionsonthetext•DoesSusanhaveteabyherself?videowaterterrible去e改yterriblydrynusancemeansurprise超过了预想的价格，所以惊讶。surpriseimmediatelyimmediately这不是我的身份证，（反了），是因为过去贪吃，要立刻把这件事办好。i努力的我三次都掉进冰里（没i），真讨厌！Keywords＆expressions•water['wɔ:tə,'wɔ-]v.浇水•Terribly['terəbli]adv.非常•dry[drai]adj.干燥的，干的•Nuisance['nju:səns]n.讨厌的东西或人•mean[mi:n]v.意味着，意思是•surprise[sə'praiz]n.惊奇，意外的事•Immediately[i'mi:diətli]adv.立即地Keywords＆expressions1.water⑴vt.供以水；给…浇水Mygrandpaiswateringtheflowersinthegarden.⑵n.水；海水；雨水；海域，大片的水Givemeaglassofwater.bywater用船运=byship=byseaPostmensendthepackagesbywater.spendmoneylikewaterMysisterspendshermoneylikewater.Keywords＆expressions淡水；饮用水；糖水热水；开水；困境水质污水，废水sweetwaterhotwaterwaterqualitywastewaterKeywords＆expressions2.terriblyadv.非常；Itisterriblyhot.Imissmymotherterribly.I'mvery/really/terribly/extremelysorry.•terribleadj.糟糕的，极坏的–Howistheweather?-Itisterrible.I’vejusthadaterriblethought.坏消息Keywords＆expressions3.dry⑴adj.干的（wet湿的）Thisglasscankeepthesugardry.⑵v.把...弄干Hedriedhishairwithatowel.dryone’seyes擦干眼泪⑶vi.变干Clothesdon’tdryeasilyinwinter.Keywords＆expressions4.nuisancen.讨厌的东西或人Whatanuisance!真讨厌！Youarearealnuisancetome.makeanuisanceofoneself=makeoneselfanuisance惹人讨厌Don‘tmakeyourselfanuisancetoothers.不要做一个令人讨厌的人。你真是太讨厌了！Keywords＆expressions5.mean(meant;meant)⑴v.意思是Whatdoesthewordmean?Theredlightmeans“stop”.meantodosth打算做...Imeantogotomorrow.meandoing意味着Thepicturemeansstopping.⑵adj.吝啬的Heismeanaboutmoney.⑶adj.卑鄙的Itismeanofsbtodosth某人做...真卑鄙Itismeanofyoutostealthepoor’smoney.Keywords＆expressions6.surprise⑴n.惊喜；惊讶；意外的事Surprise！tosb’ssurprise=tothesurpriseofsb令某人惊讶的是Tomysurprise,sheisthemotheroftwochildren.insurprise吃惊地，在惊慌中Helookedatmeinsurprise.⑵v.使...惊讶Youalwayssurpriseme.TothesurpriseofmeLanguagepoints1.Can'tyoucomeinandhaveteanow,Peter?这是否定疑问句，表示邀请。•can’tyou….表示说话人希望听话人做某事的强烈意愿和看法。例Can’tyoucomeandhelpme?你就不能来帮帮我吗？2.Imustwaterthegardenfirst.3.Doyouhavetowateritnow?4.It’sterriblydry.5.Don'tyouremember?这也是否定疑问句。Languagepoints6.Ihadtowateriteveryday.7.Well,I’llhaveteabymyself.8.lookoutofthewindow.9.Thatmeansyoudon’tneedtowaterthegarden.表示“不必”，是must和haveto的一般现在时否定式。10.Thatwasapleasantsurprise.真是意想不到的好事。从…往外看don’thavetoneedn’tGrammars•Shehastoleaveearly.Shemustleaveearly.•Doesshehavetoleaveearly?Mustsheleaveearly?•Shedoesn’tneedto/havetoleaveearly.Sheneedn’tleaveearly.陈述句疑问句否定句haveto与must•must表示主观的认为有必要，有义务•haveto表示含有客观的环境方面的需要，除了“必须”之外，还有“不得不”。•must没有时态和人称的变化Imust,hemust•haveto有时态和人称的变化Ihaveto,hehasto•eg.Imustworkhard.我必须努力工作。(我觉得有必要这么做。)Ihadtogohomebyshiplastnight.我昨晚不得不乘船回家。(有可能没有赶上其他的航班或者火车，没选择才坐船。)GrammarsGrammarsMustIarriveontime?•-Yes,youmust.•-No,youneedn't.DoIhavetoarriveontime?•-Yes,youhaveto.•-No,youdon'thave/needto.•MustItakecareofmygrandma?Yes,you____./No,you______.(must;needn't)•Doesshehavetocomehomebefore7?Yes,she_____./No,she__________.(hasto;doesn'thaveto/needn't)ExercisesMybrotherwasveryill,soIhadtocallthedoctorinthemiddleofthenight.我弟弟病得很厉害,我只得半夜里把医生请来。(客观上需要做这件事)Hesaidthattheymustworkhard.他说他们必须努力工作。(主观上要做这件事)Hehadtolookafterhissisteryesterday.haveto有人称、数、时态的变化,而must只有一种形式。但must可用于间接引语中表示过去的必要或义务。Youdon’thavetotellhimaboutit.你不一定要把此事告诉他。Youmustn’ttellhimaboutit.你一定不要把这件事告诉他。在否定结构中:don’thaveto表示“不必”,mustn’t表示“禁止”。小结haveto和must两词都是“必须”的意思,haveto表示客观的需要,must表示说话人主观上的看法,既主观上的必要。Canyoutellusyourstory,Tony?Tony,你能给我们讲讲你的故事吗？could表示有礼貌的请求,语气委婉,常用于非熟人之间或晚辈对长辈,下级对上级的场合。---CouldIhavethetelevisionon?---Yes,youcan./No,youcan’t.提出委婉的请求在回答中不可用could。Hecouldn’tbeabadman.他不大可能是坏人。在否定、疑问句中表示推测或怀疑。小结could与cancould与can都是情态动词,could是can的过去式。二者都可用于表示请求,但是用法稍有不同。can表示一般性的请求,语气随便，常用于熟人之间或长辈对晚辈,上级对下级的场合。用情态动词can,can’t,may,must,mustn’t,needn’t,could填空。1.-_____youcomeandplaywithusnow?-I’mafraidI_____.I_____dothecooking.I____comelater.2.-_____wecleanthewindowstoday?-No,you_______.You____cleanthemtomorrow.Couldcan’tmustcanMustneedn’tcan情态动词表推测•1.肯–must，may，might/could•2.否–can’t/couldn’t,maynot/mightnot•3.疑–can/could•注：以上三种句式中情态动词的语气按程度都是依次递减的。Might,could并非may,can的过去式，而表示语气较为委婉或可能性较小。can表示“能力”。must必须，应该情态动词，后跟动词原形。1.我会铺床。Icanmakethebed.2.她会扫地。Shecansweepthefloor.3.你必须写作业。Youmustdoyourhomework.4.我应该做些什么呢？WhatmustIdo?Grammar：情态动词1.我必须现在走。2.我不得不现在走。Imustgonow.must&haveto定义：must“必须，应该”强调主观必要性。haveto“不得不”强调客观情况。性质：must;haveto+动词原形注意：haveto固定短语，其中have是实义动词。有各种时态。e.g.Hehastogotoschool.Ihadtogotoschoolyesterday.Ihavehadtowaitforthreehours.Ihavetogonow.他不得不去学校。我昨天不得不去学校。我不得不等了3小时。句型转换（一.变否）1.Shecanputonhercoat.Shecan’tputonhercoat.2.Youmustgohomenow.Youneedn’tgohomenow.找到be助情，后面加not.3.Ihavetodomyhomeworknow.Idon’thavetodomyhomeworknow.4.Amyhastowashthedishes.Amydoesn’thavetowashthedishes.1.Hecanswimacrosstheriver.Canheswimacrosstheriver?2.Imustwatertheflowers.Mustyouwatertheflowers?找到be助情，直接提句首，人称一变二，句号变问号。3.Ihavetotypetheseletters.Doyouhavetotypetheseletters?4.Tomhastoleaveatteno’clock.DoesTomhavetoleaveatteno’clock?句型转换（二.变疑）练一练1.IcansingEnglishsongs.变否：变疑：2.Imustwaterthegardennow.变否：变疑：3.Shehastogotoschooltomorrow.变否：变疑：Ican’tsingEnglishsongs.CanyousingEnglishsongs?Ineedn’twaterthegardennow.Mustyo