新概念第二册第21课.ppt

Lesson21Madornot?,Newwords,1madmdadj.发疯2reasonri:znn.原因3sumsmn.量4determineddit:mindadj.坚定的，下决心的,madadj发疯的,1.“为而疯狂（着迷）bemadaboutImmadaboutEnglish.=becrazyaboutgomad发疯，发狂=gocrazy2.bemadatsb生某人的气3.drivesbmad逼疯,reasonn.原因,forthisreason由于这个原因Eg:Forthisreason,Iwaslate.forsomereason由于某个原因(some:某一个，加可数名词单数)thereasonisthat理由是,sumn.量,alargesumof:大量的，经常跟钱连用一大笔钱alargesumofmoney,determinedadj坚定的，下决心的,determinevt.决定，确定，determinetodosth决心做某事eg.WedeterminedtostudyEnglishhard.bedeterminedtodosth.下决心做某事eg.Iamdeterminedtostayhere.我决定留下来。表示下决心做某事，句型知多少？decidetodosthmakeadecisiontodosthmakeuponesmindtodosth,Listenandanswer,Havemostofhisneighborslefttheirhomesornot?Whatisthewriterdeterminedtodo?,Aeroplanesareslowlydrivingmemad.Ilivenearanairportandpassingplanescanbeheardnightandday.Theairportwasbuiltyearsago,butforsomereasonitcouldnotbeusedthen.Lastyear,however,itcameintouse.Overahundredpeoplemusthavebeendrivenawayfromtheirhomesbythenoise.Iamoneofthefewpeopleleft.SometimesIthinkthishousewillbeknockeddownbyapassingplane.Ihavebeenofferedalargesumofmoneytogoaway,butIamdeterminedtostayhere.EverybodysaysImustbemadandtheyareprobablyright.,课文讲解,Madornot?,1、Madornot?=madornotmad?ornot在疑问词的后面，表示“是还不是”，选择概念2、Aeroplanesareslowlydrivingmemad.1).aeroplane=airplane飞机2).drivesbmad把某人逼疯（难点P94)e.g.Youaredrivingmemad.drive(drove,driven)eg.Hedriveshiscarverybadly.他开车技术非常糟糕。eg.Thefarmerdrovethecattleinthefield.那位农夫把牛赶进田里。eg.Ourarmydrovetheenemyback.我们的军队把敌人赶回去了。eg.Duringthewar,manypeopleweredrivenoutoftheirhomes.战争期间，许多人被赶出家园。,3、Ilivenearanairportandpassingplanescanbeheardnightandday.nightandday日日夜夜，夜以继日passingplanes过往飞机（passing是现在分词，作定语，起形容词作用，修饰planes，“经过的(路过)，过往的”）Heforgotthemanwithpassingtime.随着时间的消逝，他忘掉了那个人。sleepingbaby正在睡觉的小孩waitingcar正在等待的车,4、Theairportwasbuiltyearsago,butforsomereasonitcouldnotbeusedthen.1)years前面不加确定的数词时，一般表示“许多年”yearsago=manyyearsago，weeks等的用法与它相似Ihavenotseenhimforweeks.2)forsomereason由于某个理由some+可数名词单数：某一somebooksome+可数名词复数：一些somebookssome+不可数名词：一些somewater,5.Lastyear,however,itcameintouse.Overahundredpeoplemusthavebeendrivenawayfromtheirhomesbythenoise.1)comeintouse:投入使用(物作主语）eg.Theairportcameintouselastyear.2)over=morethan3)awayfrom离开4)Home,family与house的区别（P94难点）home:家,强调有感情;house仅仅指房子;family:家人home=family+housemusthavedone对发生完的事情有把握的判断musthavebeendone（被动形式）,6.Iamoneofthefewpeopleleft.SometimesIthinkthishousewillbeknockeddownbyapassingplane.1).oneof的用法（3点）+名词复数+谓语动词的单数+形容词的最高2）leave-left-left,left作定语后置,常放n.后,意思是“剩下的，剩余的”.Ihaveabagleft.Thereistencentsleftinmypocket.3)sometimes有时候sometime（过去或将来）某时候sometime一段时间sometimes几次，几倍（注：这是中国人的用法，地道的说法是：severaltimes）4）knockdown拆散，撞倒knockat敲,Ihavebeenofferedalargesumofmoneytogoaway,butIamdeterminedtostayhere.offerv.提供（相当于give）offerhelp提供帮助offerasumofmoney提供一笔钱offerajob提供一份工作offersbsthoffersthtosbbedeterminedtodosth下定决心要做,7.EverybodysaysImustbemadandtheyareprobablyright.1）Everybody不定代词作主语谓语动词用单数2）mustbe表对现在事实的肯定推测,动词语态英语动词有两种语态主动语态：主语是动作的执行者被动语态：主语是动作的承受者ManypeoplespeakEnglish.(主动语态)Englishisspokenbymanypeople.(被动语态),被动语态构成,助动词+及物动词的过去分词（be+P.P.),以see为例，比较主动语和态被动语态的结构形式,主动语态改为被动语态的方法,将主动语态的宾语改为被动语态的主语。将主动语态的谓语动词改为“be+过去分词”结构。将主动语态的主语改为介词by之后的宾语，放在谓语动词之后（有时可省略）。,肯定句，否定句及疑问句如下。,CarsaremadeinChangchun.CarsarenotmadeinChangchun.-ArecarsmadeinChangchun?(-Yes,theyare./No,theyarent.)Wherearecarsmade?p26,被动语态使用方法,Whencanweusethepassivevoice?不知道动作的执行者是谁，或没有必要指出动作的执行者时。Mybikewasstolenlastnight.Lettersarecollectedateighteverymorning.2.为了强调或突出动作的承受者时。ThedeskwasmadebyMasterWang.Thebagwastakenawaybyhissister.,3.为了更好地安排句子Thewell-knownpersongotonthebusandwasimmediatelyrecognizedbypeople.（一个主语就够了）4.在上下文中，为了使句子间连接紧密时。如：Ihaveanewskirt.Itwasgiventomeasabirthdaypresentbymyaunt.,将下列句子改成被动语态。,1.WeuseEnglishasaforeignlanguage.Englishisusedasaforeignlanguage(byus)2.PeoplewritebusinesslettersinEnglishBusinesslettersarewritten(bypeople)inEnglish.3.TheymaketelephonecallsinEnglish.Telephonecallsaremade(bythem)inEnglish.4.TravelersandbusinesspeopleuseEnglish.Englishisusedbytravelersandbusiness.5.FarmersgrowriceinZhejiang.RiceisgrownbyfarmersinZhejiang,主动语态变为被动语态时注意,含直接宾语和间接宾语的主动语态变为被动语态时有两种情况:EgHegavetheboyanapple.(1)把间接宾语改为主语,直接宾语保留不变:Theboywasgivenanapple(2)把直接宾语改为主语,此时,间接宾语前要加to或for.Anapplewasgiventotheboy.(give,pass,show,send-to)(buy,draw,make,-for),1.含双宾语的被动Myfathergavemeanewbookonmybirthday.-Anewbookwasgiventome(bymyfather)-Iwasgivenanewbook(bymyfather).2.不带的to不定式,改为被动语态时不定式前要加to.Theywatchedthechildrensing.Thechildrenwerewatchedtosing.3.短语动词是不可分割的整体,改为被动语态时要保持其完整性,介词或副词不可遗漏.Wemusttakegoodcareoftheyoungtrees.Youngtreesmustbetakengoodcareof.,4.带复合宾语的动词改为被动语态