as的用法归纳ppt课件.ppt

as用法归纳,1,as,conj.,adv.,pron.,prep.,固定用法,引导定语从句,引导时间状语从句,引导原因状语从句,引导让步状语从句,引导方式状语从句,引导比较状语从句,PRACTICE,2,一、作副词,“相同地”，“同样地”。Theydonthaveasmanyairplanes.他们没有同样多的飞机。Asbeforeheremainedunmoved.他和以往一样无动于衷.The“h”issilentasin“hour”.在hour这个词中,h不发音.,3,1.引导时间状语从句,4,JohnwashavinghisdinnerwhenIsawhim.当我看到约翰的时候，他正在吃饭。Shecanwriteonlywhenthebabyisasleep.只有婴儿睡着的时候，她才能写作。Wemuststrikewhiletheironishot.趁热打铁。Whilewewerereading,theteachercamein.我们正在读书的时候，老师走了进来。Thegirldancesasshesingsonthestage.那个女孩在舞台边唱歌边跳舞。,5,Helookedbehindfromtimetotimeashewentforward.当他朝前走时，不时地向后看。Astimewenton/by,shebecamemoreandmoreworried.随着时间的流逝，她变得越来越焦虑。Ashegrewolder,hebecamemoreintelligent.随着他年龄的增长，他变得更有才智了。Ithoughtofitjustasyouopenedyourmouth.恰好在你开口时，我想到了它。Justastheflyingwormhitherface,shegavealoudcry.恰巧在飞虫撞到她脸上时，她大哭起来。,6,2.引导原因状语从句,because语气最强,用于回答why提出的或人们不知道的问题；as，一般放句首，语气弱，口语化，说明比较明显的原因；since书面语中，表对方已知的、或稍加分析便可得知的原因，有时译作“既然”。for表附加的解释、说明或推理。不放句首IdoitbecauseIlikeit.Hedidntgotoschoolbecausehewasill.Sincemanyofthecustomersworkduringtheday,Billyhastocollectthemoneyatnight.AsheisaLeaguemember,hetakestheleadineverythinginhisclass.Asshehasbeenillperhapsshellneedsomehelp.Itmusthaverainedlastnight,forthegroundiswet.,7,3.引导让步状语从句,“虽然，尽管”，although语气稍正式些，可放在句首，句中，不能再用but，但可以用yet；as所表示的语气较强，引导的让步状语从句用倒装语序；however引导让步状语从句时，后面可跟形容词或副词，也要用倒装语序。Althoughtheyarepoortheyarehappy.Angryashewas,hemanagedtospeakcalmly.Howeverhardthequestionis,hecananswerit.注意：当as引导让步状语从句时，句子的倒装语序有以下三种形式：(1).形容词或副词+as+主语+连系动词be或实义动词。例如：Richasheis,heneverspendsacentonclothes.MuchasIadmirehiscourage,Idontthinkheactedwisely.(2).名词+as+主语+连系动词be(注意句首的名词不带冠词)。Childasheis,heknowsalot.Boyashewas,hewaschosenking.。(3).实义动词+as+主语+助动词Tryashemay,heneversucceeds.Changeyourmindasyouwill,youwillgainnoadditionalsupport.,8,4.引导方式状语从句，,“如”，“像”，“按照的方式Iwantyoutotellmyfriendyourveryinterestingexperienceexactlyasyouhavetoldittome.我想让你像给我讲述的那样，给我的朋友讲一讲你那段极其有趣的经历。Remember,youmustdoeverythingasIdo.记住，你必须按照我做的那样做一切。注意：like在非正式语体中可以有与as相同的用法.IcantsinglikeIusedto.我不能像以前那样唱歌了。Hewritesjustlikehisbrotherdidwhenhewasyoung.他现在写文章正像他哥哥年轻时写文章一样。,9,5.引导比较状语从句,用于“as.as.或notso/as.as.”中,前一个as是副词,后一个as是连词，“如(不如)一样”。(1).YouhateherasmuchasI(=asIhateher)你恨她像我恨她一样深。(2).IdontspeakEnglishso/aswellashedoes.注意：句中连词as后面的代词实际是省略了与主句相同的部分，Atyourageyoucantexpecttoplayfootballaswellasme(=asIdo).Youhateherasmuchasyouhateme.你恨她像恨我一样深.,10,三、作代词,(1).用于thesame.as结构中(2).用于such.as结构中(3).用于“so+adj.+a/an+n.(单数)+as”ThisisthesamewatchasIhavelost.这块手表跟我丢失的那块一样。Idontlikesuchnovelsasyourecommend.我不喜欢你推荐的那些小说。IamnotsostrongamanasIwas.我已经没有从前那么强壮了。,11,2.as单独引导定语从句,as单独引导定语从句时，先行词可以是一个词，也可以是一个句子或短语。Sheislate,asisoftenthecase.她迟到了，这是经常的事。(先行词是整个主句)Toshutyoureyestofacts,asmanyofyoudo,isfoolish.对事实视而不见-你们好多人都是如此的愚蠢。(先行词是不定式短语)Ashasbeensaidabove,grammarisnotasetofdeadrules.正如前面所说，语法不是一套死条文。,12,Spidersarenotinsects,asmanypeoplethink.=Spidersarenotinsects.Butmanypeoplethinktheyare.许多人认为蜘蛛是昆虫，但蜘蛛并不是昆虫。Shedidnot,asherfriendhadfeared,openthecase.=Shedidnotopenthecase.Butmanypeoplehadfearedshedid.她没有打开盒子，而她的朋友就是怕她当面打开盒子。Greenlandwasnotacontinent,aspeoplethought.=Greenwasnotacontinent.Butpeoplethoughtitwas.格陵兰并不像人们所想象的那样是一个大陆。Ilivealongwayfromwork,as(which)youknow.我住得离工作单位很远，这你是知道的。Asyouwillfindout,Iwillneverletyoudown.你将会发现，我绝不会使你失望的。Taiwanis,asyouknow,aninseparablepartofChina.你们知道，台湾是中国不可分割的一部分。,13,四、作介词，,1.表示“好像(某人)”2.表示“作为，当作”，3.表示“当某人是(某身份)时。4.表示“因某人是(某身份)”，,14,Theyenteredthebuildingdisguisedascleaners.他们化装成清洁工人的模样进入大楼。Ifoundajobasateacher.我找了一份教师的工作Asachild,shewassenttothreedifferentcountries.她儿时去过三个不同的国家。Asherprivatesecretaryhehasaccesstoallhercorrespondence.他是她的私人秘书，能接触到她所有的信件。,15,as引导的介词短语大多用作状语，as译为“作为”，AsaPartymember,Illtaketheleadineverything.(状语)Sheworksasanurse.(状语)Tomhasmeasoneofhisbestfriends.(引起宾语补足语)as“以实际的身份或地位”。like“与相似，以与相类似的方式”。Hespokeasateacher.他作为老师发言./他以老师的身份发言.Hespokelikeateacher.他讲话很像是老师”。,16,五、用于一些固定搭配,1.asgoodas差不多，几乎2.suchas,suchas像这样的3.suchas例如4.asfor=withregardtosb/sth.至于某人（某事物）5.asto=asregardssth.至于某事物；提到某事物6.soasto以便,为了7.asamatteroffact事实上，其实8.asaresult作为结果9.asaresultof由于/作为的结果10.asarule通常；一般说来11.asawhole总体上,17,asfaras那么远，直到；达到程度；asfarasIknow/cansee就我所知/依我看so/asfarassb/sth.isconcerned就sb/sth.而言asfollows如下asif/though好象，仿佛aslongas达之外，长达aslongas只要asmuchas尽那样多；差不多assoonas一就assoonaspossible尽快asusual像往常一样，照例aswell也，同样，不妨(句尾）aswellas(除之外)也，既又as.as.象，如同，与一样asmanyasasmuchas,18,thinkofastreataslookon/upon.asconsiderasworkasactasbewell-knownas,19,Hebehavedasifnothinghadhappened.他装着若无其事的样子。Shetreatshimasthoughhewereherownson.她待他好像待自己的儿子一样。asif可以接一个动词不定式短语Hewavedhishandtomeasiftohavesomethingtotellme.他向我挥手好像有什么要告诉我。Dontworry,themattersasgoodassettled.别担心，问题差不多已经解决了。Whenthecarwasrepaired,itlookedasgoodasnew.这辆汽车修理好的时候，看起来差不多就像新的一样。,20,JoancanspeakChineseaswellasEnglish.琼能讲英语还能讲汉语。Hespentallhismoney,aswellaswastinghistime.他不仅浪费了时间，还花光了他所有的钱。Iboughtalotoffruits,suchasapples,oranges,bananasandsoon.我买了许多种水果，像苹果，桔子，香蕉等。Wehadsuchbooksasyouneversaw.我们有一些你从未看过的书。Wehadadelightfulweekendinthecountry.Asforthetraffic,wehadnodifficulty.在乡下我们度过了一个愉快的周末。至于交通，我们没遇到任何困难。Idontknowanythingastotheothers.至于其他，我一无所知。,21,Studentsshouldtakenotessoastomakerevisioneasier.学生应当记笔记，以便容易复习。Asamatteroffact,Imveryfondofhousework.其实，我很喜欢做家务。Asaresult，hehadbeengivenanexcellentjob.结果，他得到了一份极好的工作。Youmayborrowthisbookaslongasyoupromisetogiveitback.只要你答应归还，你就可以把这书借走。,22,Translatethefollowingsentences:1.Tomrunsfast,butIrunjustasfast.2.Shedoesntsingsowellashersister.3.Ihavechangeditasyousuggested.4.Wealllikeherassheisverykind.5.Heraisedhisvoicesoastobeheard.6.Tiredastheywere,theywalkedon.7.Ineverheardsuchstoriesashetold.8.Heiscareful,ashisworkshows.9.Heworksasateacher.10.Asyousow,sowillyoureap.,23,Shewaswell-knownasanexcellentdancer.TomisastallasJim.Myhandwritingisnotas/sogoodasyours.Tomakemuchprogresslikehimwemuststudyashard.Ashewastired,hewenttobedearly.Thestudentsdidastheirteachertoldthem.Shestoodatthedoorasifshewerewaitingforsomeone.Thehorseisgettingoldandcannotrunasfastasitdid.Nothingissodifficultasthis.Pleasecomehereassoonaspossible.Asforme,Ihavenothingtocomplainof.Irememberthewholething,asifithappenedyesterday.,24,Thispencilishalfaslongasthatone.HeistwiceasoldasI.IreadtheletterasIwalkedalongtheriver.Hetalkedtomelikemyfather.Myhometownisnotthesameasitwas.DoitasIdo.DojustasItoldyouto.Ashewasreading,hewaslistening.Iworkasothersdo.Ashewasntreadingintime,wewentwithouthim.AsfarasImconcerned,youcandowhateveryoulike.Theprairiesstretchonallsidesasfarastheeyecansee.Theriseininterestrateswillbedisastrousasfarassmallfirmsareconcerned.,25,Hedressedasapoliceman.Shefoundajobasapacker.Imspeakingyouasyouremployer.Treatmeasafriend.Theyaccepthimasanequal.Irespecthimasawriterandasaman.Asherprivatesecretaryhehasaccesstoallhercorrespondence.Asachildshewassenttothreedifferentschools.Ihaventknownhimaslongasyou.Helooksasillashesoundedonthephone.Hiseyesarentquiteasblueastheylookinthefilm.Herecitedasmuchofthepoemashecouldremember.Ashegrewolder,helostinterestineverythingexceptgardening.,26,WhydidntyoucatchthatbusasItoldyouto?Shesunusuallytall,asarebothherparents.Hesadoctor,aswashiswifebeforeshehadchildren.Asforthehotel,itwasveryuncomfortableandmilesfromthesea.Asforyou,yououghttobeashamedofdoingsuchthings.Asifunsureofwhereshewas,shehesitatedandlookedaround.Herubbedhiseyesandyawnedasthoughwakingupafteralongsleep.Astocorrectingourhomework,theteacheralwaysmakesusdoitourselves.Theresnospecialrulesasregardswhatclothesyoushouldwear.,27,Iwatchedherasshecombedherhair.Asyouwerentthere,Ileftamessage.YoungasIam,IalreadyknowwhatcareerIwanttofollow.Talentedasheis,heisnotyetreadytoturnprofessional.MuchasIlikeyou,Icouldntlivewithyou.Tryashemight,hecouldntopenthedoor.DoasIsayandsitdown.Leavethetableasitis.,28,Strangeasitseems,itisso.Surroundedasshewasbycrowdsoffans,themoviestarmanagedtogetintothecar.Studentassheis,shehasearnedalotofmoney.Childasheis,hecananswersuchdifficultquestions.,29,尽管这辆车很便宜，我还是买不起。即便他能来，他也无法帮你解决问题。尽管他跑得很快，他还是被别人拉到了后面。尽管这种动物看起来很可爱，但还是很危险。虽然被妈妈揍，他并不恨她。尽管我很喜欢你，我还是不能嫁给你。,30,Hewasseenusingacheckasabookmark.Cleverassheis,shedoesntstudywell.MuchasIhatehim,Illnotkillhim.Tryasshemight,Marycantfindajob.Itisimportantforyouaswellasforme.Youmayborrowthisbookaslongasyoukeepitclean.John,asyouknow,isawriter.Heisnotsuchafoolashelooks.AsIentered,helookedatmekindlywithoutscolding.AsAntoniodidnothaveanymoneyjustthen,hewenttoShylock.Letstakethefrontseatssothatwemayseemoreclearly.Hedidntplanhistimewell,sothathedidntfinishtheworkintime.Aslongaswedontloseheart,wellfindawaytoovercomethedifficulty.,31,1.Shehadatenseexpressiononherface,_shewereexpectingtrouble.A.eventhoughB.evenasC.asthoughD.nowthat2.Agoodmanyproposalswereraisedbythedelegates,_wastobeexpected.A.thatB.whatC.soD.as3._mightbeexpected,theresponsetothequestionwasverymixed.A.AsB.ThatC.ItD.What4.Americanseat_astheyactuallyneedeveryday.A.twiceasmuchproteinB.twiceproteinasmuchC.twiceproteinasmuchD.proteinastwicemuch,OK,OK,OK,OK,32,5.Thetrumpetplayerwascertainlyloud.ButIwasntbotheredbyhisloudness_byhislackoftalent.A.thanB.morethanC.asD.somuchas6.Studiesshowthatthethingsthatcontributemosttoasenseofhappinesscannotbebought,_agoodfamilylife,friendshipandworksatisfaction.A.asforB.inviewofC.incaseofD.suchas7._heworkshard,Idontmindwhenhefinishestheexperiment.A.AssoonasB.SofarasC.AswellasD.Aslongas8._thedangerfromenemyaction,peoplehadtocopewithasevereshortageoffood,clothing,fuelandalmosteverything.A.AslongasB.AsfarasC.AssoonasD.Aswellas,OK,OK,OK,OK,33,1.Itisgenerallybelievedthatteachingis_itisascience.A.anartmuchasB.muchanartasC.asanartmuchasD.asmuchanartas2.Shedoesntspeak_herfriend,butherwrittenworkisexcellent.A.aswellasB.sooftenasC.somuchasD.asgoodas3.Thepianointheothershopwillbe_,but_.A.cheaper;notasbetterB.morecheap;notasbetterC.cheaper;notasgoodD.morecheap;notasgood4.Aftersuppershewouldsitdownbythefire,sometimesfor_anhour,thinkingofh