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As的用法小结(一)、as作连词的用法:1.作“在…期间,当…的时候”引导时间状语从句.注意与when、while的用法区别。①下列情形时,只用as,而不用when或while。1)用于表示同一个人的两种动作交替进行,指一边----一边.如:Thegirlsingsasshegoestoschool.Helookedbehindoccasionallyashewentforwardintheforest.2)表示两个同步发生的动作或行为,意思是随着…的发展.如:Astimewenton/by,shebecamemoreandmorebeautiful.Aschildrengetolder,theybecomemoreandmoreinterestedineverything.3)表示两个短暂行为或事情几乎同时发生.如:Iwatchedherasshereadthebook.Ithoughtofitjustasyouopenedyourmouth.Justastheflyingwormhitherface,shegavealoudcry.4)接名词表示某一个年龄段时.如:Asayoungman,hewasactiveinsports.Asalittleboy(Whenhewasalittleboy)hebegantolearntoplaythepiano.②when作当……的时候解,可以指较短的(一点)时间,也可指一段时间。如:WhenIwasatcollege,Icouldspeakseveralforeignlanguages.Whentheclockstrucktwelve,Ihadsleptfor2hours.IwaswanderingthroughthestreetwhenIcaughtsightofatailor’sshop有意料之外的意思③while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时如:Workwhileyouwork.Playwhileyouplay.Strikewhiletheironishot趁着2.As=Since作既然、由于解,常用来表示已为人们所知或显而易见的原因或理由。如:Ashe’sbeenillforages,Iwillhelphim.As/Sinceyou'renotfeelingwell,youmaystayathome.Ashewasn'tready,wewentwithouthim.3.As=inthewaythat作像、按照……的方式解,引导方式状语从句。如:DoasItoldyou.Remember,youmustdoeverythingasIdo.Takethemedicineasdirected.Maglevtrainsdon’tmakemuchnoise,asplanesdo.WhenatRome,doasRomansdo.入乡随俗Asinyourcountry,wegrowwheatinthenorthandriceintheSouth.4.用于as---as或not/so/as----as中,前一个as是副词,后一个as是连词,引导比较状语从句。如:Theyhelpedtheoldasmuchaspossible.Idon'tspeakEnglishso/aswellasshedoes.5.表示虽然,尽管等,引导让步状语从句,常用倒装语序,模式为:adj./adv./n.+as+主语+谓语+主句。如:Tiredastheywere,theywalkedon.Childasheis,heknowsalot.Fastasheran,hedidn'tcatchthebus.MuchasIrespecthim,Iwon’tdoassuggests.Tryasyoumay,youmightfailagainTryashemight,Tomcouldnotgetoutofthedifficulties.6.表示也------一样。Sheisadoctor,aswasherhusband.(二)、as作关系代词,引导定语从句,表示正如,这一点.如:Heisverycareful,asweallknow.Asiswell-known,TaiwanbelongstoChina.另外,当先行词被thesame,such,so等词修饰时,常用as来引导定语从句。如:Suchaclevergirlasshecanlearnanythingquickly.HewishedtobesuchamanasLeiFengwas.Iwasreadingthesamebookasheboughtyesterday.ThisbookisnotsuchasIexpectNote:Hetookthepolicebacktothesameplacewherehewitnessedtherobbery(三)、as作介词的用法.1.表示好像。如:Hedressedasapoliceman.Theygotunitedasoneman.2.表示作为当作。如:Ifoundajobasaguide.3.当某人是某身份时。如:Asachild,shewassenttoabroad.4.as引导的介词短语大多用作状语,as译为作为;少数情况可引起宾语补足语。如:AsaPartymember,I'lltaketheleadineverything.(状语)Sheworksasamodel.(状语)Shehasmeasoneofherbestfriends.(引起宾语补足语)(四)、作副词的用法1表示与------等同。如:Thisdressistwiceasexpensiveasthatone.2像,如等。Asbefore,heremainedunmoved.Hedoesn'tspeakEnglishas/sofluentlyasyou.(3)英语中有很多表示比较的成语。asblackascoalasblindasabatasbraveasalionasbrightasdayasbusyasabeeascoldasiceaseasyasABCasfatasapigashotasfireaslightasair/afeatheraslikeastwopeas/beansaspoorasachurchmouseasrichasaJewassoundasabell状况极佳;十分健康asfitasafiddleasstrongasahorseasstupidasadonkeyassweetashoney/sugaraswhiteassnowasredasbloodasbrightasabuttonaswiseasSolomon(五)含as的固定词组的用法soonasIgettoBeijing,I'llwritetoyou.我一到北京,就给你写信。2.as/solongas作“只要”解,eg;As/Solongasyoustudyhard,you'llmakeprogress.比较:I'vewaitedaslongastwohours.我一直等了整整两小时。3.asif/though常用来引导方式状语从句,作“好像,仿佛”解。如果从句中讲的是非真实情况,则用虚拟语气。eg:Shelovesthechildasif/thoughhewereherown.Asif/though也可用来引导表语从句,常用在“Itlooks/seems...+asif/though”句型结构中。Itlookstomeasif/thoughitisgoingtoclearup.Itseemsasif/thoughheknewnothingaboutit.Youlookasthoughyousleptbadly.4.asto作“关于,至于”解。eg;Thereisnodoubtastohishonesty.5.asmuch/manyas“多达…”,“达到…之多”eg:Hecanearnasmuchas5000dollarsamonth.6.As/SofarasIknow,hewillcomeherenextMonday.据我所知,比较:Wemightgoasfarastheschoolandback.我们可以走到学校那边,然后回来。7.Shediedasadirectresultoftheaccident.表示“由于...的结果”。8,aswell为“也,还”之意。eg:Comeearly,andbringyourbrotheraswell.9.soasto,表示目的so...asto表示结果。eg:Hestudiedhardsoastopasstheexam.他努力学习以便通过考试。(表示目的)10.asamatteroffact实际上,事实上Asamatteroffact,I'mveryfondofhousework.11.asfollows如下Ourplanisasfollows.12.asfor至于,说到Asforme,Ishallneverreturnthere.13.asgoodas几乎已经,实际已经Everythingwasasgoodassettled.一切都差不多安排好了.Sheisasgoodasherwords.她遵守诺言。HeasgoodassaidI'maliar.他无异于说我撒谎。比较:Yourcompositionisasgoodashis.你的作文和他的作文一样好。另外,还有以下习惯搭配,其翻译不能随便从字面来理解:(as)goodasgold表现很好的(as)goodasnew完好如新asgoodasone’sword守信asgoodaspie很好的,可爱的,讨人喜欢(as)goodasaplay非常有趣14.aswellas同样,和,也,而且ShecalledonyouaswellasI.不但我来看你,她也拜访了你。Shecalledonyouaswellasme.她不但拜访了我,也拜访了你。在下列句中,aswellas表示“像…一样”的涵义:SheaswellasyouisanEnglishteacher.她像你一样也是英文教师。Georgehasn’tgoneabroadaswellashisbrother.乔治并没有和他兄弟一样出国去。(他兄弟一人出国)George,aswellashisbrother,hasn’tgoneabroad.乔治和他兄弟都没有出国。1)aswellas可连接并列的单词或短语前后两个动词的时态要一致。即:若第一个动词是一般现在时,第二个动词也应是一般现在时;若第一个动词是一般过去时,第二个动词也应是一般过去时。例如:Hepublishes(published)aswellasprints(printed)hisownbooks.他的书是自己印刷并出版的。2)如果第一个动词是复合时态,或由can,may,must等加动词构成时,aswellas后面可省去助动词或情态动词,此时,aswellas意为“既……又……”。例如:Wearerepairingtheroofaswellaspaintingthewalls.我们在粉刷墙壁,同时也在修理屋顶。Shecan/couldsingaswellasdance.她既会跳舞也会唱歌。3)如果第一个动词是不定式,aswellas后面的动词也要用不定式,但要去掉to。例如:Youcan'texpecthertodothehouseworkaswellaslookafterthechildren.你不可能叫她既照管孩子又做家务。⑷注意aswellas的另外两层涵义:1)aswellas还有“除……之外”之意。例如:AswellasknowingsomeRussian,shespeaksEnglishverywell.除了懂得一点俄语之外,她的英语讲得很好。比较:HecanspeakEnglishaswellasshedoes.
本文标题:As的用法大全
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