新概念英语第二册Lesson17.ppt

1、ReviewWhatdidwelearnlastweek?Canyouanswerthesequestions?1)What does Aunt Jennifer do and how old is she?MyauntJenniferisanactressandShemustbeatleastthirty-fiveyearsold.2)What part does Jennifer often act on the stage?Sheoftenappearsonthestageasayounggirl.3)What does she think of being grown up?Itmus

2、tbeterribletobegrownup年龄的两种表示方法：数字+yearsold，作表语thirty-fiveyearsold三十五岁数字+-year-old，作定语myfour-year-olddaughterMyauntJenniferisanactress.Shemustbeatleastthirty-fiveyearsold.以-ess结尾的是女性；以-or、-er结尾的是男性actor男演员actress女演员waiter男服务员waitress女服务员prince王子princess公主lion公狮子lioness母狮子doctor男医生womandoctor女医生god神g

3、oddess女神(God上帝,注意“G”大写)must+动词原形不得不,必须；(对现在的)推测Shemustbeamodel.Sheisfifteenyearsold.她五岁了Shemustbefifteenyearsold.她很可能五岁Shemustbeatmostfifteenyearsold.她最多十五岁Shemustbeatleastfifteenyearsold.她至少十五岁atleast至少,最少Ifyoucantcleanthecar,youcanatleasthelpmetocleanit.atmost最多Inspiteofthis,sheoftenappearsonthest

4、ageasayounggirl.inspiteof不管，尽管(“of”为介词,后面一定会加名词、代词或从句)inspiteofthis尽管如此Inspiteofthis,Istilllikeschool.（school前不加“the”表示上学，加“the”只表示学校）Inspiteofwhatyouhavesaidabouther,sheismuchbetterthanMary.inspiteof不不顾；不管；不管inspiteof+n.=despite(prep.)+n.尽管尽管inspiteofthefactthat.(同位同位语从句从句)=(al)though+从句从句尽管尽管Wewen

5、toutinspiteof/despitetherain.尽管天下雨，我尽管天下雨，我们还是出去了。是出去了。Inspiteofthefactthatdoctorshavewarnedthatsmokingdoesharmtohealth,peoplestillkeeponsmoking.尽管医生已尽管医生已经警告警告说吸烟有害健康，人吸烟有害健康，人们还是是继续吸烟。吸烟。_greateffortswefailedtocarryourplansthrough.尽管我尽管我们做出了巨大努力做出了巨大努力,我我们还是没能完成是没能完成计划。划。InspiteofInspiteofIworkedh

6、ard,Istillfailed.（改（改错）答答案案：of后后加加“thefactthat”或或者者把把“Iworkedhard”改改为为“myhardwork”。【点点津津】inspiteof为介介词短短语，与与介介词despite及及regardlessof一一样，其其后后可可跟跟名名词、动名名词及及其其他他短短语，意意义基基本本相相同同，但但regardlessof只只有有“不不管管，不不顾”之之意意。though,although也也有有“虽然，尽管然，尽管”之意，但它之意，但它们是是连词，后面，后面应接句子。接句子。Jenniferwillhavetotakepartinanewp

7、laysoon.join参加了某一种团体joinsb./sth.jointhearmy参军jointheparty入党joinus(口语)加入我们(这个团体)中来takepartin参加某一种活动takepartintherace参加比赛takepartinaplaytakepartinthepartyThistime,shewillbeagirlofseventeen.两种年龄的表达：Sheiseighteenyearsold.Sheisagirlofeighteen.Intheplay,shemustappearinabrightreddressandlongblackstockings.

8、in(+颜色、衣服)穿着样的衣服，用介词短语取代动词，避免了一句话中出现两个动词Theboyingreen.inabrightreddress鲜红色的连衣裙Lastyearinanotherplay,shehadtowearshortsocksandabright,orange-coloureddress.bright,orange-coloureddress鲜艳的桔黄色衣服Ifanyoneeverasksherhowoldsheis,shealwaysanswers,Darling,itmustbeterribletobegrownup!ever=atanytime任何时候(时间副词)itm

9、ustbe一定(表示推测)grown-upadj.成年人begrown-up作为一个成年人growup(人)成长当有人问你年龄时，你可以这样回答：Itisasecret./Itisprivacy.Iforgetit.情态助动词mustMust译为“必须”，可以表示“必要，命令或强制，邀请，决心，不可推卸的责任”等多处含义。它没有时态和人称变化，通常只用于现在时和将来时。在其他时态时，must的有些含义可以用haveto或havegotto。这三种形式一般可以互换，但用于第一人称时，haveto(havegotto)强调客观的要求或外在的原因，must则强调主观的要求或表示说话的人认为自己有权做

10、某事。haveto和havegotto往往可以互换，但与always，sometimes等频度副词连用时，用haveto往往比用havtgotto好。havegotto比haveto更口语化。在过去时的句子中,要用haveto来表示“必须”，haveto可以有任意时态Shewillhaveto；Shehadto；Shehas/Ihavehadtohaveto作为实义动词,否定式为donthaveto；willnothaveto；didnthaveto在表达“难道你不能不（做）”时，一般用“Mustyou?”，而不用“Doyouhaveto?”Mustyouleavenow?难道你非得现在就走吗

11、？Imafraidso.Ihavetostudyforanexam.must可以表示推测，mustdo表示对现在的推测；musthavedone表示对过去的推测Hemustbemad.在Ithink/hethinks的从句中，一定要用事实说话.(不能说成“Ithinkhemustbeafool.”)mustbe的否定式为cantbe（不可能）：Someonesusingthephone,itmustbeJohn.ItcantbeJohn.Hepromisedmehewouldntuseittoday.情态动词modal verbs1.-IsJohncomingbytrain?-Heshould

12、,buthe_not.Helikesdrivinghiscar.(2002）A.mustB.canC.needD.may2.Ithasbeenannouncedthatcandidates(候选人候选人)_remainintheirseatsuntilallthepapershavebeencollected.(2002）A.canB.willC.mayD.shall3.-Iheardtheywentskiinginthemountainslastwinter.(2002）-It_truebecausetherewaslittlesnowthere.A.maynotbeB.wontbeC.co

13、uldntbeD.mustntbe表示推测表示推测情态动词的重要用法情态动词的重要用法.肯定的推测肯定的推测可能的推测可能的推测否定的推测否定的推测疑问的推测疑问的推测must 对将来对将来对现在对现在对过去对过去情态动词情态动词may,mightcant,couldntcan,could+V.+V.+havedone常见常见mustbe+bedoing+V.+V.+havedone+bedoing可以用可以用not表示表示“可能不可能不”+V.+V.+havedone+bedoing+V.+V.+havedone+bedoing1.Idontknowwheresheis,she_beinWu

14、han.2.Atthismoment,ourteacher_ourexampapers.这时，我们老师想必在批改试卷。这时，我们老师想必在批改试卷。3.Theroadiswet.It_lastnight.(rain)4.Yourmother_foryou.你妈妈一定一直在找你。你妈妈一定一直在找你。maymustbemarkingmusthaverainedmusthavebeenlooking5.Philip_seriouslyinthecaraccident.菲利普可能在车祸中受了重伤菲利普可能在车祸中受了重伤.6.-Lindahasgonetowork,butherbicycleisst

15、illhere.-She_(go)bybus.7.Mike_hiscar,forhecametoworkbybusthismorning.迈克一定还没有找回他的车，因为早上他是坐迈克一定还没有找回他的车，因为早上他是坐公共汽车来上班的。公共汽车来上班的。may(might)havebeenhurtmay(might)havegonecanthavefound考题考题:1.Ithoughtyou_likesomethingtoread,soIhavebroughtyousomebooks.A.mayB.mightC.wouldD.must2.Whereismypen?I_it.A.mightlo

16、seB.wouldhavelostC.shouldhavelostD.musthavelost3.Ididnthearthephone.I_asleepA.mustbeB.musthavebeenC.shouldbeD.shouldhavebeenBDB4.-Therewerealreadyfivepeopleinthecar,buttheymanagedtotakemeaswell.-It_acomfortablejourneyA.cantbeB.shouldntbeC.mustnthavebeenD.couldnthavebeen5.Itsnearlysevenoclock.Jack_behereatanymoment.A.mustB.needC.shouldD.couldDD请把下列词语组合成句请把下列词语组合成句:1._,(play,interesting,must,be,new,the)forthedirectorissofamous.2.Seehowhappyheistoday!_.(failed,he,cant,in,the,have,exam)3.Peterisntin