新概念第二册17课

1、Sheisanactress,too.Whichpicturedoyouthinkishernow?,Now,before,Sheoftenappearsonthestageasayounggirl.,徐若瑄,Sheisanactress，too.Whichpicturedoyouthinkishernow?,Now,16yearsago,Doesshelookyoung?,Doyouthinkhowoldsheis?Shemustbeatleast,atleast,at+(the)+最高级表示“最”，“至”,atmost至多，最多,atfirst最初，首先,attheearliest最早,a

2、tleast至少，最少，起码,atlast最后，终于,atthelatest最晚,e.g.Therecanbenomorethanfiftypeopleintheaudienceat(the)most.Atleasttwohundredhaveleft.,discussion,1.Howoldisyourmother/father?2.Dotheylookyoung?3.Doesyourmotherhaveanygoodwaytostayyoung?4.Dotheydoalotofexercises?5.Dotheyuseanycosmetics【kzmetiks(化妆品）?6.Doyouha

3、veanygoodsuggestionsforstayinghealthy?,Lesson17,Alwaysyoung,Listeningtothetapeandanswerthequestions:,Whatismyaunt?Howoldisshe?Whatdoesshewearinhernewplay?Whatdoessheanswerifanyoneasksherage?Whichsingerdoyouthinklooksyoungerthanhis/herage?Wouldyouliketobealwaysyoung?Andwhy?Doyouliketoguessothersageor

4、not?,agirlofseventeen,Darling,itmustbeterribletobegrownup!,MyauntJenniferisanactress.Shemustbeatleastthirty-fiveyearsold.Inspiteofthis,sheoftenappearsonthestageasayounggirl.,must：在这里表示很肯定的推测,atleast：atmost,inspiteof：but,however,inspiteof,e.g.Wewentoutinspiteoftherain.,Inspiteofthefactthathewasangry,

5、hehelpedme.Althoughhewasangry,hehelpme.,尽管，虽然，不管,appearv.appearancen.disappearv.,disappearancen.,appearas:扮演.角色,onthestage;在舞台上,Specialdifficulties,as:prep.=inthepositionof作为e.g.Heworksasanengineer.Heworkslikeanengineer.conj.=because因为e.g.IcannotcomeasIambusy.=atthetimewhene.g.AsIwasleavingthehouse,

6、thepostmanbroughtaletter.=inthewaythat按照的方式e.g.Doasyouaretold.,Jenniferwillhavetotakepartinanewplaysoon.Thistime,shewillbeagirlofseventeen.Intheplay,shemustappearinabrightreddressandlongblackstockings.,takepartin：join,enterfor,agirlof17：a17-year-oldgirl,Whatdoesagirlof17looklike?Whatwillshewear?,Spe

7、cialdifficulties,dress：”女服”“女礼服”suit:“男装”“（一套）衣服”costume:在特别场合下穿的衣服，如戏服，化装舞会上的服装e.g.Alltheactorsworethefifteenth-centurycostumes,Lastyearinanotherplay,shehadtowearshortsocksandabright,orange-coloureddress.Ifanyoneeverasksherhowoldsheis,shealwaysanswers,Darling,itmustbeterribletobegrownup!Ifanyoneeve

8、rasksherhowoldsheis,orangecolored,n.+ed=adj.,apairofhigh-heeledshoes一双高跟鞋,awhite-haireddoctor一个白发苍苍的医生,ahoney-mouthedboyfriend一个甜言蜜语的男友,in：穿衣服,brightred：亮红，darkgreen?,sockn.短袜oldsocks=buddy老兄Pullupyoursocks！【谚语】鼓起劲来！,1._auntJennifer_anactress.,My,is,2._atleast_yearsold.,She,mustbe,thirty-five,3.Insp

9、iteofthis,_appears_thestage_ayounggirl.,she,often,on,as,1.Jennifer_takepartin_.,will,haveto,anewplay,soon,2.Thistime,_agirlofseventeen.,she,willbe,3._theplay,_appear_brightreddress_longblackstockings.,In,she,must,in,a,and,1.Lastyear_play,_hadtowearshortsocks_bright,orange-coloureddress.,in,another,s

10、he,and,a,2._anyone_asks_howold_,_answers,Darling,_terrible_grownup!,If,ever,her,she,is,she,always,it,mustbe,tobe,must,表达义务，haveto必须,must,2.表达推测must+v.(原)表示对现在情况的肯定推测e.g.Marymusthavesomeproblem.Shekeepscrying.must+have+done表示对过去情况的肯定推测e.g.Icalledveryloud.Hemusthaveheardme.,must,3.mustnt表示禁止e.g.Youmus

11、tntsmokehere.,4.表示抱怨e.g.WhymustitrainagainonSunday?,Keystructures情态动词must,must主观必须haveto客观havegotto客观现在mustdo表推测过去musthavedone,eg.你必须少抽些烟。Youmustcutdownonsmoking.ImafraidImustgonow.eg.Mustyouleavenow?Yes,Imust./No,Ineednt.,Keystructures,must与haveto一般可互换，但表示“必须”时，must着重说明主观看法，haveto比较强调客观需要。eg.Imustt

12、idyuptheroom.我必须打扫一下房间。（主观想法）Ihavetotidyuptheroom.我不得不打扫一下房间。（客观需要）,Keystructures,haveto有人称、数、时态的变化，而must没有eg.Ihadtogotoseethedentist.Shehadtogoshoppingyesterday.在否定结构中：donthaveto表示“不必”mustnt表示“禁止”eg.Youdonthavetotellhimaboutit.你不一定要把此事告诉他。Youmustnttellhimaboutit.你一定不要把这件事告诉他。,Keystructures,mustbe可用来表示对现在情况的推测，（只有在肯定句中能这样用，这种揣测比maybe表示的要肯定得多）：eg.Hemustbeworkinginhisoffice.Shemustbeoverforty.试比较：eg.Hemustbestayingthere.他现在肯定呆在那里。Hemuststaythere.他必须呆在那。,Keystructures,must表示对已发生的事情的推测时，要接完成式。e