as-用法归纳和练习

as用法归纳和练习题一、as作副词，表示程度，意为“同样地”。在“as．．．as．．．”，“notas/so．．．as．．．结构中的第一个as是副词，作“和／与．．．(不)一样”解。Jackisastallashisfather．Hedoesn'tspeakEnglishas／sofluentlyasyou．二、as作介词。1．作“如，像”解。Theygotunitedasoneman．2．作“充当，作为”解。eg：Asawriter，hewasfamous．三、as作连词，常用来连接主句和状语从句。1．引导时间状语从句，作“当．．．的时候”解，有“随着．．．”之意，与while意义相近，强调两个动作同时发生；或某事一发生，另一事立即发生。eg：Heshoutedaloudasherranalong．他一边往前跑，一边高声地呼喊。Iwasstartledasheopenedthedoor．他一开门，我吓了一跳。as作连词，相当于when。eg；Asalittleboy(Whenhewasalittleboy)hebegantolearntoplaypiano．2．引导原因状语从句，作“因为，由于”解，与because的用法相近。eg；Imuststopwritingnow，asIhaveratheralotofworktodo．3．引导方式状语从句或比较状语从句，作“正如，(如)像”解。例eg：Asinyourcountry，wegrowwheatinthenorthandriceinthesouth．正如(像)你们国家一样，我们在北方种小麦，在南方种大米。(方式状语从句)WhenatRome，doasRomansdo．入乡随俗。(方式状语从句)Leave?it?as?it?is.保持原状，不要动它。4．引导让步状语从句，作“虽然，尽管”解。这时从句常用倒装语序，即把从句中的表语、状语或动词原形放在as之前。eg；Strangeasitmayseem，itistrue．尽管这事看上去很奇怪，但却是真的。Tryashemight，Tomcouldnotgetoutofthedifficulties．不管怎样努力，汤姆还是摆脱不了困境。Childasheis,heknowsalot.Much?as?I?like?you,I?will?not?marry?you.我虽然很喜欢你，可是不愿与你结婚。四、as作关系代词。1．引导限制性定语从句，用在“such．．．as”,“thesame．．．as”，“as．．．as”“so…as”等结构中，常译作“像．．．一样的人(或物)”，“凡是．．．的人(或物)”。例eg：HewishedtobesuchamanasLeiFengwas．他曾希望做一个像雷锋那样的人。Myhometownisnolongerthesameasitwas．我的家乡再也不像过去一样了。2．引导非限制性定语从句，用来指代它前面的整个句子(即先行句)。这个分句可以位于句首、句中或句末。Asiswellknown，oceanscovermorethan70％oftheearth．We?have?found?such?materials?as?are?used?in?their?factory.五、含as的固定词组的用法1．assoonas作“一…就”解，引导时间状语从句。AssoonasIgettoBeijing，I'llwritetoyou．2．as／solongas作“只要”解，As／Solongasyoustudyhard，you'llmakeprogress．只要你努力，你就会取得进步。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。Shelovesthechildasif／thoughhewereherown．Asif／though也可用来引导表语从句，常用在“Itappears／looks／seems．．．+asif／though”句型结构中。Itappearsasif／thoughitisgoingtoclearup．Itseemsasif／thoughheknewnothingaboutit.他好像对此事一无所知。4．asto,asfor,作“关于，至于”解。aswith“和…也一样”eg；Thereisnodoubtasto/forhishonesty．aswith(1)=asisoftenthecasewith...“那对......是常有的事”.Aswithyoungbirds,thetimecomesfortheyoungtoleave.(2)=asit\'sthesamewith...“正如......一样”.Aswithrunning,learningEnglishneedswill.正如跑步一样，学习英语需要意志。5．asmuch／manyas作“多达．．．”，“达到．．．之多”解。eg：Hecanearnasmuchas5000dollarsamonth．他每月能挣5000美元。6．so／asfarasIknow作“就我所知”解，在句中作插入语。eg：As／SofarasIknow，hewillcomeherenextMonday．7．asaresult，asaresultof表示“由于．．．的结果”。eg：Shediedasadirectresultoftheaccident．她的死是那次事故的直接结果。8，aswell为“也，还”之意。as?well?as,并列连词,连接并列成分.eg：Comeearly，andbringyourbrotheraswell．早点来，把你的弟弟也带来。He?can?speak?English?as?well?as?French.他会说英语和法语9．soasto，so．．．asto若跟动词原形，表示目的或结果。eg：Hestudiedhardsoastopasstheexam．他努力学习以便通过考试。(表示目的)10．as…,so…像…那样，…也就…；随着…，也就…Asyousow,sowillyoureap.种瓜得瓜，种豆得豆。11．as?a?matter?of?fact(其实),as?a?whole,as?a?rule,asusual,asitis/was(事实上/既然如此),asitwere(似乎；可以说是)；asgoodas（和……一样好；几乎；差不多）等12、so…that;such…that的用法1、so+形容词/副词+that+从句，如：ThisstoryissointerestingthatIwanttoreaditagain.HespokesoquicklythatIcouldn'tfollowhim.2、so+形容词/副词+a/an+单数可数名词+that+从句Sheissolovelyagirlthateveryonelovesher.3、such+a/an+形容词+单数可数名词+that+从句，如：Sheissuchalovelygirlthateveryonelovesher.4、such(+adj.)+复数可数名词/不可数名词+that+从句，如：Heshowedsuchconcernthatpeopletookhimtobearelative.(takesb.tobe或takesb.as把某人看作…)巩固练习1.Ourneighborhas_____ours.（北京2003）A.asabighouseasB.asbigahouseasC.thesamebighouseasD.ahousethesamebigas2.Whatatable!I’veneverseensuchathingbefore.Itis_____itislong.A.halfnotaswideasB.widenotashalfasC.nothalfaswideasD.aswideasnothalf3.I’dliketoarrive20minutesearly_____Icanhavetimeforacupoftea.A.assoonasB.asaresultC.incaseD.sothat4.ThemoreIthinkabouthim,themorereasonsIfindforlovinghim_____Idid.（A.asmuchasB.aslongasC.assoonasD.asfaras5.Johnisthetallestboyintheclass,_____accordingtohimself.(安徽2005)（fivefoot/feeteight五英尺八英寸）A.fivefooteightastallasB.astallasfivefooteightC.asfivefooteighttallasD.astallfivefooteightas6.—Didyoutakeenoughmoneywithyou?—No.Ineeded_____IthoughtIwould.（2006全国II）A.notsomuchasB.asmuchasC.muchmorethanD.muchlessthan7.MyEnglishteacher’shumorwas____makeeverystudentburstintolaughter.A.soastoB.suchastoC.suchthatD.sothat8、Theyplayallkindsofinstrumentsandsing____.A.also???B.either??C.aswell??D.aswellas9.Tom,____JaneandRose,____goingtothefarmonfoot.A.aslongas；is???B.aswellas；areC.aslongas；are??D.aswellas；is10.Theytravelatfullspeedbyday____.A.andnight???B.andbynightaswellasC.aswellatnight??D.aswellasbynight11.MrsBlackwrites____,ifnotbetterthan，herhusband.A.aswellas?????B.sowellC.sowell????D.aswell参考答案：BCDABABCDDA