定語從句Abeautifulgirl.Anaughtyboy名詞形容詞性作定語Sheisagirl.Thegirlisbeautiful.Sheisagirl(whoisverybeautiful.)定語從句先行詞關系詞連接指代作成分從句的問題解決秘訣：“一劃二蓋三打開”第一步：連詞連接的句子是從句，把它當成一個整體。劃上。（whathesaid）istrueAll（thathesaid）istrue.第二步：把這個從句蓋上，看它在主句中的語法功能，從而判斷從句的性質。第三步：把從句打開，添上合適的連詞。注意添連詞看從句。因為從句性質不一樣。1.

Thathewantsabook

iscertain.2.Pleasetellmewhoyourmonitoris.3.ThenewsthatTomwouldgoabroadistoldbyhim.4.Thenewsthathetoldmeissurprising.5.Thatisthebikethat/whichIboughtyesterday.6.ThatiswhatIboughtyesterday.7.Anybodywhobreaksthelawshouldbepunished.8.Makeamarkwhereyouhavequestions.判斷下面句子中哪一個是定語從句關系詞代詞（主、賓、表）1）人：who（主）whom（賓）,that2)物：which,that,3）人/物的：whose（定語）4）as關系副詞（狀語）時間when地點where原因why

注意見到：what,how,----ever要排除一.關系詞代詞（主、賓、表）Ihavetwosisters_______areateacher.（who/whom/which）Thisismymother________Iloveverymuch.

(who/whom/which)Ihaveanecklace___________isexpensive.Thatismyteacher_______dressisbule.WhoWhom,/which/thatwhose解題原則：連接、指代、做成分注意：只用that的情況1）先行詞被①形容詞最高級ThisisthemostinterestingfilmthatI’veeverseen.②序數(shù)詞ThisisthefirstAmericanfilmthatyouhaveseen?③theonly,thevery修飾時

Theonlythingthatwecandoistogiveyousomemoney.2）先行詞為all、much、little、none、few、one、something、anything等不定代詞時。Doyouhaveanything

thatyouwanttodo?3）先行詞中既有人又有物時。Doyouknowthethingsandpersonsthattheyaretalkingabout?二.關系副詞（狀語）時間when=表示時間的介詞+which地點where=表地點的介詞+which原因why=for+whichIstillrememberthedaywhen(onwhich)IfirstcametoBeiJingCanyoutellmetheofficewhere(inwhich)heworks?.Doyouknowthereasonwhy(forwhich)heisabsent?一二Where的考查對where不能只理解為表地點，當先行詞表示某人、物的situation或表達某事的某個方面都可用where.Theaccidenthadreachedtoapoint

whereboththeirparentsaretobecalledin.Icanthinkofmanycases

wherestudentsobviouslyknowalotofEnglishwordsandexpressionsbutcouldb’twtiteagoodessay.三.介詞+關系代詞引導的定語從句只能用：which/whomInthedarkstreet,therewasn’tasinglepersontowhomshecouldturnforhelp.2.Iboughtabook,thepriceofwhichwashigh.3.Thisisthepenthat/which/“/”Iwrotetheletterwith.(2008上海卷38)Wewentthroughaperiod______communicationswereverydifficultintheruralareas.which B.whose C.inwhich D.with(2008福建31)Bynineo’clock,alltheOlympictorchbearershadreachedthetopofMountQomolangma,____appearedararerainbowsoon.A.ofwhichB.onwhichC.fromwhichD.above(2008湖南31)thegrowingspeedofaplantisinfluencedbyanumberoffactors,_arebeyondourcontrol.A.mostofthemB.mostofwhich C.mostofwhat D.mostofthat四限制性定語從句VS.非限制性定語從句Ihaveabrotherwhohassixchildren.Ihaveabrother,whohassixchildren.區(qū)別意義區(qū)別：限制/非限制形式區(qū)別：，非限制性定語從句：不能用thatAs在限制/非限制定語從句用法as限制性定語從句：用在固定搭配中：as/so…..as

thesame……as

such…….asHeisnotthesamemanashewas.Itissoldatsuchalowpriceaspeopleexpected.非限制性定語從句:as/which的區(qū)別非限制性定語從句as/which的區(qū)別as位置靈活，可位于主句前后

which只能用于主句之后2.as只能修飾整個句子的先行詞

which既能修飾句子，又能修飾名詞。Iboughtapen_______isfiveyuan.Iboughtapen__________mademehappywhichWhich/as3.As常用在以下結構中：asiswell-knownasoftenhappensashasbeensaidbeforeashasbeenpointedasmightedbeexpected(2005浙江17)______Iexplainedonthephone,yourrequestwillbeconsideredatthenextmeeting.A.When B.After C.As D.SinceC五定語從句中注意事項：定語從句中的主謂一致問題：與先行詞保持一致注意：先行詞為oneof+名詞復數(shù)，定從：復數(shù)先行詞為theonly/theveryoneof+名詞復數(shù)定從：單數(shù)Heisoneofthestudentswho______(have)passedtheexam.Heistheonlyoneo