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1、新概念英语第二册Lesson 21 Mad or not?第1页/共103页 Learning objectives 学习目标学习目标 1.学习并掌握重点单词和短语:mad,however,sum,determined。2.复习并掌握被动语态：现在完成时的被动语态，情态动词表推测的被动语态第2页/共103页我们已经讲了被动语态的基本形式以及它在用了一般现在时、现在完成时、现在进行时和一般过去时的句子中的使用情况。被动语态还可以和大部分情态动词连用（包括具有部分情态功能的will和would）。Hemayhavebeentoldthenews.他或许已被告知这消息了。第3页/共103页1)概念:
2、英语动词有两种语态,即主动语态和被动语态.主动语态表示主语是动作的执行者,被动语态表示主语是动作的承受者2)结构:主语+助动词be+及物动词的过去分词+其它3)时态要求:助动词be必须与主语的人称和数一致,常用的时态有八种.4)用法:在不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者.第4页/共103页一般现在时的被动语态被动语态:主动语态表示主语是动作的执行者,宾语是动作的承受者。当动作的承受者作主语时,就构成被动语态。构成：be+动词的过去分词1.We speak English.English is spoken by us.2.Mother makes some cakes.S
3、ome cakes are madeby mother.(主动语态)(被动语态)第5页/共103页2.TheyboughttencomputerslasttermTencomputerswerebought(bythem)lastterm.一般过去时：一般过去时：S+was/were+过去分词过去分词第6页/共103页3AmycantakegoodcareofGinaGinacanbetakengoodcareofbyAmy.情态动词：情态动词：S+can/may/must/should+be+过去分词过去分词第7页/共103页4.Theywillfinishtheworkintendays.
4、Theworkwillbefinished(bythem)intendays.一般将来时：一般将来时：S+will+be+过去分词过去分词第8页/共103页5.SomeworkersarepaintingtheroomsnowTheroomsarebeingpaintedbysomeworkersnow.现在进行时：现在进行时：S+am/is/are+being+过去分词过去分词第9页/共103页6WehavemadetwentymorekeysTwentymorekeyshavebeenmadebyus.现在完成时：现在完成时：S+have/has+been+过去分词过去分词第10页/共10
5、3页7Iwasdoingmyhomeworkat8:00lastnightMyhomeworkwasbeingdone(byme)at8:00lastnight.过去进行时：过去进行时：S+was/were+being+过去分词过去分词第11页/共103页各种时态的被动语态构成各种时态的被动语态构成各种时态的被动语态构成各种时态的被动语态构成一般现在时：一般现在时：一般过去时：一般过去时：情态动词：情态动词：一般将来时：一般将来时：现在进行时：现在进行时：现在完成时：现在完成时：过去进行时：过去进行时：S+am/is/are+P.P（过去分词）（过去分词）S+was/were+P.P.S+ca
6、n/may/must/should+be+P.P.S+will+be+P.P.S+am/is/are+being+P.P.S+have/has+been+P.P.S+was/were+being+P.P.第12页/共103页 被动语态的特殊形式：一、主动形式表被动这种布料很容易洗。The cloth washes well.她的书不好卖。Her book does not sell well.类似的词还有：lock,shut,open,move,read,write,clean,draw,cut第13页/共103页1.They built the airport years ago.2.The
7、y could not use the airport now.3.A passing plane will knock down the house.4.They have offered me a large sum of money.5.The noise have driven away 100 people.The airport was built years ago.The airport could not be used now.The house will be knocked down.The large sum of money have been offered to
8、 me.100 people have been driven away.第14页/共103页mad adj 发疯的be mad/crazy about:为而疯狂(着迷）他对足球很着迷He is mad/crazy about football.be mad at sb 生某人的气 老师对我很生气，因为我迟到了。Teacher was mad at me because I was late第17页/共103页1.mad adj.发疯的；疯狂的；生气的drive sb.mad/crazy 把某人逼疯Sb.go mad 某人（自己）变疯了e.g.过多的作业快把我逼疯了。Too much home
9、work almost drove me mad/crazy.他退休后疯了。He went mad after he had retired.第18页/共103页reason n.原因for this reason 由于这个原因 由于这个原因，我迟到了。For this reason,I was late.第19页/共103页reason /ri:z n/n.原因1.n.道理，原因 They departed for no reason.他们无缘无故无缘无故就分手了。2.v.推理，讲出道理，对某人讲道理 He reasoned him out of smoking.他说服他戒了烟。3.adj.
10、reasonable 合理的，有道理的 反义词：unreasonableThe price is reasonable.价钱很合理。第20页/共103页sum n.量a large sum of:大量的，喜欢跟钱连用一大笔钱a large sum of money第21页/共103页sum n.量许多的，大量的，+可名复 a great number of a great many+不可名a great deal of第22页/共103页determined adj 坚定的，下决心的be determined to do sth.下决心做某事 表示下决心做某事，句型知多少？make up on
11、es mind to do sthdecide to do sthmake a decision to do sth第23页/共103页Determined Determined 有决心的 坚定的 adjdetermine vDetermine to do=be determined to do I determined to go to Shanghai.=I was determined to Shanghai.Determination 判断力 决心 第24页/共103页Aeroplanes are slowly driving me mad.drive v.开车,驾驶(drove,dr
12、iven,driving)drive to开车去往某地 I drove to Dalian yesterday.drive sb.mad 把某人逼疯drive sb.away from把某人赶走drive sb.out of把某人赶出去drive sb.back撵回去drive into 赶进第25页/共103页2.I live near an airport and passing planes can be heard night and day.1）v+ing 正在的（现在分词可以放在名词前面，做定语）passing planes：passing现在分词做定语 a sleeping ba
13、by:正在睡觉的小孩 a waiting car:正在等待的amovingtruck正在移动的汽车aflyingobject飞行中的物体aburningbuilding正在燃烧的大楼ahuntingdog正在猎物的狗正在跳舞的男孩是我的哥哥。Thedancingboyismybrother.Hestoppedapassingcar.他挡住了一辆过往汽车。第26页/共103页2）night and day日日夜夜日日夜夜 e.g.I will sit by her bedside day and night.我会日夜守在她的床边。我会日夜守在她的床边。He worked night and da
14、y.他夜以继日地工作他夜以继日地工作He thought of the matter night and day.他日夜在想这个问题。他日夜在想这个问题。第27页/共103页The airport was built years ago,but for some reason it could not be used then.for some reason:由于某种原因some+可数名词单数：某一 some booksome+可数名词复数：一些 some bookssome+不可数名词：一些 some watere.g.He was late for school for some reas
15、on.由于某种原因，他上学迟到了！He didnt tell me the answer for some reason.由于某种原因，他没有告诉我答案!第28页/共103页Ill tell you some daySome man at the door is asking to see you.Some Mr.Wang wanted you on the phone.第29页/共103页（1）years前面不加确定的数词时，一般表示“许多年”，weeks等的用法与它相似：Heleftthecityyearsago.他多年前就离开了这座城市。Ihavenotseenhimforweeks.我
16、已经有好几个星期没见他了。（2）some在这里不表示“一些”，而表示“某个”、“某种”等：Illtellyousomeday.有一天我会告诉你的。Welltalkaboutitsomeothertime.我们改日再谈这件事。第30页/共103页Last year,however,it came into use.however 用于句首,句中,用逗号隔开表示转折，但语气没有but强烈.新的学校将于明年投入使用。The new school will come into use next e into use 为固定短语，表示“开始被使用”：When did the train come int
17、o use?这火车什么时候开始使用的？The road came into use last month.这条路上个月通车了。第31页/共103页Last year,however,it came into use.Se into use n.投入使用;(没有被动式)be used 被使用 (被动式）use n.ju:s vt.ju:zcome into use:投入使用=putinto use1)This method comes into use.2)They put this method into use.3)This method is put into use.第32页/共103页
18、3.however 然而 but 虽然但是 though 虽然但是 although 虽然但是e.g.Itshardwork._,Ienjoyit.Itshardwork_Ienjoyit._itshardwork,Ienjoyit.Itshardwork;Ienjoyit,_.Hisfriends,_,hadotherideas.HoweverbutThough/Althoughthoughhowever第34页/共103页Over a hundred people must have been driven away from their homes by the noise.over=m
19、ore than 7.away from 离开8.Home 与 house 的区别home:家，强调有感情；house仅仅指房子TomregardsNanjingashissecond_becausehehasbeenhereformanyyears.A.familyB.roomC.houseD.home第35页/共103页Must have been MusthavebeenCouldhavebeenMighthavebeen情态动词+havebeen+done表示对过去发生的事情的一种猜测Overahundredpeoplemusthavebeendrivenawayfromtheirho
20、mebythenoise.情态动词must+be表示根据事实所作的推论，在这句话中，must+完成时态表示对过去某事的推测：ThispenisJohns.Hemusthavebeenhere.这枝钢笔是约翰的。他一定来过这里。第36页/共103页mighthave+pp多用于猜测,HemighthavebeentoBeijing.他大概去过北京.Youmighthavesaidthisbefore.（猜想）你也曾说过这些话.couldhavebeen多用于原本可以（能力上可及）的事情却没有做.Icouldhavecaughtupwithyou.我本来可以来和你们聚会的(但却没有去).Icoul
21、dhavebeenupset.我本来应该不高兴的（但是没有）Hecanthavebeenill.Hemusthavebeentired.Shecanthavebeenforty.Shemusthavebeenfifty.Hecanthavebeentheyoungest.Hemusthavebeentheoldest.第37页/共103页I am one of the few people left.Sometimes I think this hous willbe knocked down by a passing plane.one of 的用法（3点）+名词复数+谓语动词的单数+形容词
22、的最高级 knock down 拆散，撞倒第38页/共103页6.6.I I am one of the few people left.am one of the few people left.one of.之一left leave 的过去分词,表示被留下来的 left作定语放在被修饰词的后面,剩下的东西我剩下一个包。I have a bag left.在我的口袋里还有十块钱。There is ten yuan left in my pocket.Left作为定语的时候放在名词的后面 There is only 2 yuan left in my pocket.There is nobod
23、y left in the room.第39页/共103页one of表示特指的一群人表示特指的一群人/一些东西中的一个，后面的一些东西中的一个，后面的名词用复数：名词用复数：One of the girls standing over there is Tims sister.在那些站在那儿的女孩当中有一个是蒂姆的姐姐在那些站在那儿的女孩当中有一个是蒂姆的姐姐/妹妹。妹妹。You can take one of these bags.你可以从这些提包中拿走一个。你可以从这些提包中拿走一个。第40页/共103页Sometimes I think this house will be knock
24、ed down by a passing plane.knock 不及物动词 vi.knock into 撞到、碰到、相撞，如：The car knocked into a tree.那辆汽车撞到一棵树上。knock at 敲 He knocked at the door but there was no answer.他敲了门，但是没有人回答。knock down 打倒、撞倒 I was knocked down by a car last night.第41页/共103页We knock off at 12:30 for lunch.我们十二点半时停下工作去吃饭。我们十二点半时停下工作去吃
25、饭。Its after five;lets knock off.已经五点多了；下班吧已经五点多了；下班吧 In the fight,the thief knocked the policeman out.在搏斗中，小偷把警察打昏了。在搏斗中，小偷把警察打昏了。He knocked a glass over.他把玻璃杯打翻了他把玻璃杯打翻了第42页/共103页8.I have been offered a large sum of money to go away,but I am determined to stay here.offer 及物动词 vt.1.给予,提供;拿出,出示+to He
26、 offered me a glass of wine.他端给我一杯酒。2.愿意;试图(做某事);提议+to do sth.They offered to help me.他们表示愿意帮助我。He offered to lend me some books.他表示要借给我几本书。to go away不定式表示目的go away:leave第43页/共103页offerOffersb.sth.=offersth.tosb.Mybossoffersmeajob.=mybossoffersajobtome.改成被动语态Ajobisofferedtomebymyboss.Iwasofferedajob
27、bymyboss.双宾语的被动语态:主语有两种可能;以sb.做主语或以sth.做主语第44页/共103页9.Everybody says I must be mad and they are probably right.Everybody says.从句I must be madthey are probably right.他们也许是对的probably adv.很可能 must be 表推测 第45页/共103页复习第46页/共103页决心做某事；决定做某事决心做某事；决定做某事be determined(adj.)to do sth.=determine(v.)to do sth.=d
28、ecide to do sth.=make a decision to do sth.Sheisdeterminedtosetoutearlyinthemorning.第47页/共103页1drive（1）vt.，vi.驾驶，驾车：Youmusthavebeendrivingatseventymilesanhour.你刚才一定是以每小时70英里的速度开车。Marydrives(hercar)veryslowly.玛丽开车开得很慢。（2）vt.赶，驱赶，围赶（猎物、敌人等）：Withthehelpoftwodogs,hedrovethesheepdownthemountain.在两只牧羊犬的帮助
29、下，他把羊从山上赶了下来。（3）vt.逼迫，迫使：Aeroplanesareslowlydrivingmemad.飞机正在慢慢地把我逼疯。Thedeathofallherchildrenhasdrivenhermad.她所有的孩子的去世把她逼疯了。第48页/共103页 drive vi.&vt.开（车）,驱逐；赶 drive sb.away from(sp.)从赶走e.g.He_everyday.Thousandsofpeople_fromtheirhomesinwars.drivestoworkweredrivenaway第49页/共103页她得到一份好工作。Shegotagoodjob.S
30、hewasofferedagoodjob.Shewasgivenagoodjob.给某人提供某物offersb.sth.=offersth.tosb.=givesb.sth.=givesth.tosb.第50页/共103页alargesumof一大笔、大量的e.g._workhasbeendonetopreventpollutioninourcountry.A.AlargeamountofB.AgreatmanyC.AplentyD.ManyA第51页/共103页决心做某事；决定做某事be determined(adj.)to do sth.=determine(v.)to do sth.=d
31、ecide to do sth.=make a decision to do sth.e.g.她决定明天一大早出发。DSheisdeterminedtosetoutearlyinthemorning.第52页/共103页现在完成时的被动语态：主语+_/_+_+_+(by+_)e.g.Someonehasstolenmybag.(主动语态)Mybag_been_bysomeone.(被动语态)Wehaventfoundtheanswertothequestion.(主动语态)Theanswertothequestion_been_byus.(被动语态)havehas被动语态been过去分词名词h
32、asstolenhasntfound第53页/共103页 情态动词表示推测的被动语态：(详见导学案)e.g.她唱得真好。我想她以前肯定是名歌手。他今天没有来上学，肯定是病了。-Hi,Tom.AnyideawhereJaneis?-She_intheclassroom.Isawhertherejustnow.(2009年重庆高考)A.shallbeB.shouldhavebeen C.mustbeD.mighthavebeen.CShesingssowell.Ithinkshemusthavebeenasinger.Hedoesntcometoschooltoday.Hemustbeill.第5
33、4页/共103页 1.Whenheheardthegoodnews,healmostwentm_withjoy.2.Miss,Albertisnthere.Heisp_ill.3.Ther_whyIstudyEnlgishisthatIwanttostudyabroad.4.Hisfatherspentalarges_ofmoneyonthehouse.5.Thelittlegirlgavemead_look.Shesaidshewouldnotchangehermind.6.Themano_meajobtobehisassistant（助手）.adrobablyeasonumetermine
34、dffered第55页/共103页翻译短语1.把他们逼疯_2.一个正在游泳的女孩_3.一大笔钱_4.许多书_5.充足的时间_6.给某人提供一份工作_aswimminggirlalargesumofmoneymany/alargenumberof/agreatmany/alotof/lotsofbooksplentyoftimeoffersb.ajobdrivethemmad/crazy第56页/共103页7.过往的飞机_8.日日夜夜_9.由于某种原因_10.启用_11.从赶走_12.撞倒_13.一大笔钱_14.离开/搬走_15.决定做某事_ii.Phrasesandsentences.pass
35、ingplanesnightandday/dayandnightforsomereasoncomeintousedriveawayfromknockdownalargesumofmoneygoawaybedeterminedtodosth.第57页/共103页16.他正慢慢地走在回家的路上。He_alongthewayhome.17.我口袋里只剩下两元了。Thereisonly_inmypocket.18.你一定是缇娜的妹妹吧。哇，你们俩看起来一模一样。You_Tinassister.Wow,youlookthesame!isslowlywalkingtwoyuanleftmustbe第58页
36、/共103页Previewing CheckPreviewing Check 1.Whenheheardthegoodnews,healmostwentm_withjoy.2.Miss,Albertisnthere.Heisp_ill.3.Ther_whyIstudyEnlgishisthatIwanttostudyabroad.4.Hisfatherspentalarges_ofmoneyonthehouse.5.Thelittlegirlgavemead_look-thekindthatshesaidshewouldnotchangehermind.6.Themano_meajobtobe
37、hisassistant.i.Complete the sentences with the proper words.adrobablyeasonumeterminedffered第59页/共103页Aeroplanesareslowlydrivingmemad.Ilivenearanairportandpassingplanescanbeheardnight and day.Theairportwasbuiltduringthewar,butfor some reason itcouldnotbeusedthen.Lastyear,however,itcame into use.Overa
38、hundredpeoplemusthavebeendriven away from theirhomesbythenoise.Iamoneofthefewpeopleleft.SometimesIthinkthishousewillbeknockeddownbyapassingplane.Ihavebeenoffereda large sum of moneytogoaway,butIamdetermined to stayhere.EverybodysaysImustbemadandtheyareprobablyright.Lesson21Madornot?是不是疯了？第60页/共103页(
39、)1Ourroommust_clean.A.keepB.bekeptC.tobekeptD.tokeep()2-Idliketobuythatcoat.-Imsorry._.A.itsoldB.itssellingC.ItsbeensoldD.ithadbeensoldBC第61页/共103页()3Doctors_ineverypartoftheworld.A.needB.areneedingC.areneededD.willneed()4Thesepapers_yet.A.havenotwrittenB.havenotbeenwrittenC.hasnotwrittenD.hasnotbee
40、nwrittenCB第62页/共103页()5-Myshoesarewornout.A.Canttheybemended?B.Letmehavealookatit.C.Howmuchdotheycost?D.Canttheymended?()6_thesedesksbeneeded?A.WillB.AreC.HasD.DoAA第63页/共103页()7Theflowers_often.A.mustbewaterB.mustbewateredC.mustwateredD.mustwater()8Where_theseboxesmade?A.wasB.wereC.isD.amBB第64页/共103
41、页()3Tea_inthesouthofChina.A.growsB.isgrownC.weregrownD.willgrow(4)Oldpeoplemust_.A.lookafterwellB.belookedwellafterC.lookedwellafterD.belookedafterwellBD第65页/共103页()9Jane_tosingusanAmericansonglastSaturday.A.calledB.wasaskedC.toldD.wassaid()10Thebike_500yuan.A.wascostB.costedC.costD.iscostedBC第66页/共
42、103页()11Theapple_verysweet.A.istastedB.tasteC.tastesD.aretasting()12Whatyousaid_likeagoodidea.A.heardB.listenedC.soundD.soundedCD第67页/共103页练习答案Keytowrittenexercises1关键句型练习答案C1Amessagewillbesentimmediately.2Allthesegoodsmustbesold.3Itoldyoutheparcelwouldbereceivedintime.4Theletterhastobedeliveredbyhand.5YourlettermusthavebeenlostInthepost.第68页/共103页2难点练习答案A(sampleanswers)Thedogdrovethesheepoutofthefield.Thepolicedrovethecrowdsback.Idrovemycarintothegarage.B1home2houses3house4home3多项选择题答案1c2d3c4d5a6c7b8b9a10d11c12c第69页/共103页感谢您的观看。第103页/共103页