89-90新概念英语第一册ppt课件NCE_Lesson89-90

Lesson89,Forsale,本课内容,单词学习课文讲解练习日常用语口语练习作业,单词学习,believev.相信，认为may可以howlong多长sinceprep.自从whyadv.为什么sellv.卖，出售becauseconj.因为retirev.退休costv.花费poundn.英镑worthprep.值钱pennyn.便士,ThisisIan.Hehaslivedherefortwentyyears.Hehaslivedheresince1976.Hewantstobuyasmallhouseinthecountry.Hehasjustretired.,Thishouseisforsale.Thisisabighousewithalittlegarden.Ithastwofloorsand6bedrooms.,Newwordsandexpressions,believe/bI5li:v/v.相信，认为believe接that从句Ibelievethatthishouseisforsale.否定前移Idontbelievethatthishouseisforsale.我相信他不是一名老师。Idontbelieveheisateacher.,believev.相信，认为believesb相信某人的话believeinsb.信任某人我不相信你说的话。Idontbelieveyou.我们互相信任。Webelieveineachother.你应该信上帝YoushouldbelieveinGod.believethat我认为他是诚实的Ibelievethatheishonest.believeitornot(口语),sell/sel/v.卖soldsold反义词buysellsbsth=sellsthtosbSellmeabook.=Sellabooktome.,sellv.卖，出售我把我的车卖给了他。Isoldmycartohim.我把我的车以5000元卖给了他。Isoldmycartohimfor5000yuan.salen.卖，促销forsale待售onsale打折salesman推销员salesmanager销售经理,retirev.退休；离职不久他将退休，结束其航海生涯。Hesgoingtoretiresoonfromthesea.v.退出；退隐他周末通常退隐到他那个乡间别墅生活Heoftenretirestohiscountryhouseatweekends.女士们离席退出，先生们则继续喝酒聊天。Theladiesretired,andthegentlemenwentondrinkingandchatting.,cost/kDst/v.花费costcoststhcostsbsomemoneyThebookcostmefiveyuan.spendspentspentsbspendmoney/timeonsth(in)doingsthIspentfiveyuanonthebook.Ispentfiveyuaninbuyingthebook.,costv.花费（物体做主语）这件外套30美元Thecoatcosts$30.这个房子多少钱？Howmuchdoesthishousecost?Payfor我花了30美元买这件外套。Ipaid$30onthiscoat.Spendon他花很多钱用于买书Hespendsalotofmoneyonbooks.,pound/paUnd/n.英镑penny/5peni/n.便士pence复数worth/w:W/prep值.钱beworthThehouseiswortheverypennyofit.beworthdoingsthItisworthwatchingthisfilm.decide/dI5saId/v.决定decidetodosthIdecidetogotoShanghaiforholiday.,worthprep.相当于价值，值钱这条项链值多少钱？Howmuchisthenecklaceworth?everypennyofit确实值得钱这件外套确实值这些钱。Thiscoatiswortheverypennyofit.prep.具有价值；值得beworthdoing值得这本书值得一读Tveonesworth证明某人的价值,pennyTakecareofthepence,andthepoundswilltakecareofthemselves.留意小钱,大钱自来;小事留意,大事自成Apennyforyourthoughts.你呆呆地在想些什么呢?Inforapenny,inforapound.既为一文钱,就为一贯钱;一旦开始做,就做到底;一不做,二不休pencefromheaven天上掉下来的钱,意外的好运,worth&worthy&worth-while三个词都是形容词，“值得的”worth：beworth+n.当名词为金钱时，表示“值”worthy:：beworthyof+n.当名词为抽象名词时，表示“值”beworthytobedone“某事值得被做”,worth-while：beworth-whiletodosth.“值得做某事”worthwhile：Itisworthwhiledoingsth.Itisworthwhilesb.todosth.Itisnot_todiscussthequestionagainandagain.A.worthB.worthyC.worth-whileD.worthwhile,c,because&becauseof,because：连词，引导原因状语从句becauseof：后面跟名词、代词等作宾语_thebadweather,Anndidnotgototheseaside.Shewaslateagain_sheforgotthemeeting.,Becauseof_,because,课文讲解,Ibelievethatthishouseisforsale.=Ithinkthat./Isupposethat.宾语从句Imafraidthat./Ihopethat.我担心我要迟到了。ImafraidthatIwillbelate.我认为到明年的这个时候我会升职的。IthinkthatIwillgetapromotionatthistimeofnextyear.forsale供出售，有待出售。onsale减价出售。,MayIhavealookatit?havealookat=lookat看一看我想看一下那张地图。Iwanttohavealookatthatmap.正式提出请求：MayI.?我能进来吗？MayIcomein?较为随意的请求方法：CanI.?CanIcomein？,-Howlonghaveyoulivedhere?-Ivelivedherefortwentyyears.现在完成时，表示从过去开始的动作或状态一直持续到现在。“for+时间段”是现在完成时的标志性时间状语。划线部分提问你在那个学校多久了？我在那里学习了2年了。-Howlonghaveyoustudiedinthatschool?-Ivestudiedtherefortwoyears.,Howmuchdoesthishousecost?询问价格的常用语。cost的主语是物（花费人多少钱）也可以说Howmuchisthishouse?这些书多少钱？Howmucharethesebooks?Howmuchdothesebookscost?你那条裙子多少钱？Howmuchisyourdress?Howmuchdoesyourdresscost?,Itswortheverypennyofit.前一个it代指house，后一个it代指money。Icantdecideyet.这里yet也可以用于现在时否定句中，表示“迄今仍未”。下定决心decidetodosth.makeuponesminddeterminetodosth.我决定要去云南旅行。,Womenalwayshavethelastword.注意这里的word是“话”的意思，不要写成words。havethelastword=havethefinalsay最后说了算。老板总是最后说的算的。Bossalwayshasthelastword.,现在完成时（）for和since在现在完成时中的运用：for表“经历”：for+一段时间since表“自从以来”since+一段时间+ago,since+一个时间点；since+从句Hehasstayedherefor3hours.Hehasstayedheresince3hoursago.Hehasstayedheresince3oclock.HehastaughtEnglishsincehecamehere.,除了for,since以外，常和现在完成时连用的副词还有already,yet,ever,never,just,inthepastfewyears,overthelastthirtyyears,sofar,uptonow,since1980等。MostcollegestudentshavelearnedEnglishformorethansixyears.GreatchangeshavetakenplaceinChinainthepastfewyears.Ihaveneverbeenabroaduptonow.,for,since,for