as引導定語從句

as引導定語從句

在限制性定語從句中，如果先行詞被thesame,such,as,so等詞修飾時，定語從句應由as引導。as作賓語不可省略。

1)Heissuchateacheraswerespect.

2)Ilikethesamebookasyoudo.Itissobigastoneasnomancanlift.2

在定語從句中，一般的從句關系代詞是which、who、whom、that、whose,其代替主句中的人或物，在從句中做主語、賓語或定語。一、as引導限制性定語從句主要結構有：thesame…asas…assuch…asso…as31.

It’sthesamepersonaswewantedtofindyesterday.我們昨天要找的是同一個人。2.

SuchgirlsasheknowsaregoodatEnglish.他所認識的女孩都擅長英語。3.

Doyouhavesuchbooksaswelike?你有我們喜歡那種書嗎？4.

Shewillmarryashealthyamanasshecanfind.她將嫁給她能找到的任何一個有錢人。45.

Thereissowarmahouseaswewanttolivein.這里有如此暖和的房子，我們都想住在里面。6.

Hehassodifficultaproblem,asnoneofuscansolve.他有如此難的一個問題，我們沒有人能解決。5二、引導非限制性定語從句⑴as引導非限制性定語從句，指代整個主句內容，從句可置于句首，句中或句尾1．

Aseveryoneknows,Chinaisabeautifulcountrywithalonghistory.每個人都知道，中國是一個有著悠久歷史的美麗國家。2．

Theearth,asweknow,movesroundthesun.地球，我們都知道，圍著太陽轉。3．

Tomworkshardandiswillingtohelpothers,asweallknow.湯母工作努力，并且樂于助人，這一點我們都知道。6as引導非限制性從句，常意為“正如”?？沙霈F(xiàn)在句首、句中、句末。常見結構有：asisknowntoall眾所周知asisoftenthecaseasmight/couldbeexpected

ashasbeensaidbeforeashasbeenmentionedaboveashasbeenpointedoutascanbeimagined正如所設想的那樣ascanbeseen(fromthesefigures)asoftenhappens正像經(jīng)常發(fā)生的那樣aswillbeshown這是常有的事正如人們所預料的正如上面所提到的正如前面所說的正如所指出的正如…所示7as和which都可以指代主句中的一部分或整個句子的內容，有時可以互換，但as引導的非限制性定語從句位置比較靈活，可以位于主句前面，中間或后面，一般用逗號與主句隔開，而which所引導的非限制性定語從句只能放在主句之后。As和Which引導的非限制性定語從句的區(qū)別8大家應該也有點累了，稍作休息大家有疑問的，可以詢問和交流91.Asyouknow,TaiwanisaninseparatepartofChina.2.Taiwan,asyouknow,isaninseparatepartofChina.3.TaiwanisaninseparatepartofChina,asyouknow.4.TaiwanisaninseparatepartofChina,whichyouknow.位置不同As與which的區(qū)別101.Theyremarried,asweexpected.2.Theyremarried,whichwehadn’texpected3.Asoftenhappens,theywonthematchagain.4.Itrainedheavily,whichpreventedusgoingout..意義不同（as“正如，就像”表示符合人們的認識和事物的習慣性等意義，即從句與主句語義一致。當從句與主句語義不一致時或從句與主句之間是因果關系時用which）11asanybodycansee,asweallknow,aswehadexpected,asiswellknown,ashasbeensaidbefore,asoftenhappens,asitis,asisnatural,asisthecase1.Asisknowntoeverybody,themoontravelsroundtheearth.2.Mike，asweexpected,attendedthemeeting.3.Shecameatonce,whichsurprisedmeverymuch.4.Thegirlheardaterriblenoise,whichbroughtherheartintohermouth.結構不同

(as常用于一些固定結構中，類似插入語，而which常用于which+謂語+賓語/賓補結構。12定語從句易混句型131.①Istillrememberthedays_______Iworkedwiththefarmers.②Istillrememberthedays_______IspentwiththefarmerswhichB.onwhichC.whenD.what2.①Wewereontheway______itbegantorain.②Idon’tliketheway_____youspeaktoyourparents.A.whenB.thatC.howD.whichwhenwhichwhenthat143.①Theteacherdidn’tknowthereason_______shewasabsentyesterday.②Theteachercouldn’tacceptthereason______sheexplainedyesterday.A.howB.whyC.thatD.who4.①Isthisschool___youevervisited?②Isthistheschool___youeverstudied?③Isthistheschoolin__youeverstudied?A.whereB.whichC.thatD.theonewhythatDAB155.①Thisis______hesaidathemeetingyesterday.②Thisisall____hesaidatthemeetingyesterday.A.thatB.whichC.whatD.how6.①_____isreportedinthenewspapers,theyhavebeatenalltheotherteams.②____isreportedinthenewspaperthattheyhavebeatenalltheotherteams.③____isreportedinthenewspaperisthattheyhavebeatenalltheotherteams. A.It B.AsC.Which D.WhatCABAD167.①Thatisthehouse,______windowshasn’tbeencleanedformonths.

②Thatisthehouse,______thewindowshasn’tbeencleanedformonths.③Thatisthehouse,but______windowshasn’tbeencleanedformonths.

A.it’sB.itsC.whoseD.ofwhichCDA178.①Jo