as用法归纳和练习题

用法归纳和练习题as

一、as作副词，表示程度，意为“同样地伺在“as...as...notas/so.・.as.・・结构中的第一个as是副词，作“和/与...（不）一样”解Jack is as tall as hisfather.He doesntspeak Englishas/so fluentlyas you.

二、作介词as作“如,像解

1.They gotunited asone man.

2.作“充当，作为解egAsa writer,he wasfamous.

三、作连词，常用来连接主句和状语从句as引导时间状语从句，作“当...的时候“解，有“随着”之意，与意义相近，

1.while强调两个动作同时发生；或某事一发生，另一事立即发生eg他一边往前跑，一边高声地呼喊He shoutedaloud asher ranalong.他一开门，我吓了一跳I wasstartled ashe openedthe door.as作连词，相当于when eg；（）As alittle boyWhen hewas alittle boyhe beganto learnto playpiano.

2.引导原因状语从句，作”因为，由于解，与because的用法相近eg；I muststop writingnow,as Ihave rathera lotof workto do.

3.引导方式状语从句或比较状语从句，作“正如，（如）像解例eg正如（像）你们国家一As inyour country,we growwheat in the northand riceinthesouth.样，我们在北方种小麦，在南方种大米（方式状语从句）入乡随俗（方式状语从句）When atRome,do asRomans do.保持原状，不要动它Leave itas it is.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

4.语、状语或动词原形放在as之前eg；Strange as it mayseem,it istrue.尽管这事看上去很奇怪，但却是真的Try ashe might,Tom couldnot getout of the difficulties.不管怎样努力，汤姆还是摆脱不了困境Child ashe is,he knowsalot.Much as I likeyou,I willnot marryyou.我虽然很喜欢你，可是不愿与你结婚

四、作关系代词as

1.引导限制性定语从句，用在“such...asJthe same...as”,as.・.as”“so...as等结构中，常译作”像...一样的人（或物广，”凡是...的人（或物）”例eg Hewished to be such他曾希望做一个像雷锋那样的人a manas LeiFeng was.我的家乡再也不像过去一样了My hometownis nolonger the same as it was.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

2.于句首、句中或句末As iswell known,oceans covermore than70%of theearth.We havefound suchmaterials as are usedin theirfactory.

五、含的固定词组的用法as作“一…就”解,引导时间状语从句

1.as soonasAs soonas Iget to Beijing,Pll writeto you.作“只要解，

2.as/so longasAs/So longas youstudy hard,youll makeprogress.只要你努力，你就会取得进步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

3.as if/though真实情况，则用虚拟语气She lovesthe childas if/though hewere herown.也可用来引导表语从句,常用在句As if/though“It appears/looks/seems...+as if/though”型结构中It appearsas if/though itis going to clearup..他好像对止匕事——无所矢口It seemsas if/though heknew nothingabout it

4.as to,as for,作“关于,至于“解as with”和...也一样“eg；There isno doubtas to/for hishonesty.（）那对是常有的事”as with1=as isoften thecase with...e.g.As withyoung birds,the timecomes forthe youngto leave.（）”正如一样“2=as itVsthe samewith...e.g.As withrunning,learning Englishneeds will.正如跑步一样，学习英语需要意志

5.as much/many as作“多达・・.”,“达到..・之多”解eg他每月能挣美元He canearn as much as5000dollars amonth.

50006.so/as faras Iknow作“就我所知”解，在句中作插入语eg As/So farasIknow,he willcome herenext Monday.

7.as aresult,as aresult of表示“由于・・.的结果eg她的死是那次事故的直接结果She diedas adirect resultoftheaccident.为“也，还”之意并列连词,连接并列成分.

8.as well as wellas,egCome early,and bringyour brotheras well.早点来，把你的弟弟也带来.他会说英语和法语He canspeak Englishas wellas French

9.so as to,so...as to若跟动词原形，表示目的或结果eg他努力学习以便通过考试（表示目的）He studiedhard so astopass theexam.像…那样，…也就…；随着…，也就…

10.as...,so...叩.种瓜得瓜，种豆得豆As yousow,so willyou re（其实）,（事实上/既然如

11.as amatter offact as a whole,as arule,as usual,asitis/was止匕）,（似乎；可以说是）;（和一样好；几乎；差不多）asitwere asgood as等、的用法12so…that;such…that、形容词/副词从句，如1so++that+This storyis sointeresting that I wantto readit again.He spokeso quicklythatIcouldnt followhim.、形容词/副词单数可数名词从句2so++a/an++that+She isso lovelya girlthat everyoneloves her.、形容词+单数可数名词从句，如3such+a/an++that+She issuch alovely girlthat everyoneloves her.、（）复数可数名词/不可数名词从句，如4such+adj.++that+（或He showedsuch concernthat peopletook himto bea relative.take sb.tobetake sb.as把某人看作...）巩固练习（北京）

1.Our neighborhas ours.2003A.asabig houseas B.as biga houseasC.the samebig houseas D.a housethesamebig as

2.What atable!Ive neverseen sucha thingbefore.It isitislong.A.half notas wideas B.wide notas halfasC.not halfas wideas D.as wideas nothalf

3.r dlike toarrive20minutes earlyI canhave timefor acup oftea.A.as soonas B.asaresult C.in caseD.so that（

4.The moreI thinkabout him,the morereasons Ifind forloving himI did.A.as much as B.as longas C.as soonas D.as faras（安徽）（

5.John isthe tallestboy inthe class,according tohimself.2005five五英尺八英寸）foot/feet eightA.five foot eight as tall as B.as tallas five foot eightC.as fivefooteighttallasD.astallfivefooteight as

6.——Did youtake enoughmoney withyou一（全国）No.I neededI thoughtI would.2006IIA.not somuchasB.asmuchas C.much morethan D.much lessthan

7.My Englishteachers humorwas makeevery studentburst intolaughter.A.soastoB.such asto C.such thatD.so that、8They playall kindsof instrumentsand sing.A.also B.either C.as wellD.as wellas

9.Tom,Jane andRose,goingtothe farmon foot.A.as longas；is B.as wellas；are C.as longas；are D.as wellas；is

10.They travelat fullspeed byday.A.and nightB.and bynight as wellasC.as wellat nightD.as wellas bynight

11.Mrs Blackwrites,if notbetter than,her husband.A.as wellasB.so wellC.so wellD.aswell参考答案BCDAB ABCDDA。