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1定语从句的讲解及练习一、定义：在复合句中，修饰某一名词或代词的从句叫做定语从句。定语定语用来限定、修饰名词或代词的，是对名词或代词起修饰、限定作用的词、短语（动词不定式短语、动名词短语和分词短语）或句子，汉语中常用‘……的’表示。主要由形容词担任，此外，名词，代词，数词，分词，副词，不定式以及介词短语也可以来担任，也可以由一个句子来担任。单词作定语时通常放在它所修饰的词之前，作前置定语。短语和从句作定语时则放在所修饰的词之后，作后置定语。定语从句是指在一个句子中作定语的句子，定语从句要放在所修饰的词后。如：1)Themanwholivesnexttousisapoliceman.2)YoumustdoeverythingthatIdo.上面两句中的man和everything是定语从句所修饰的词，叫先行词，定语从句放在先行词的后面。引导定语从句的词有关系代词that,which,who(宾格who,所有格whose)和关系副词where,when、why关系词常有三个作用：1、引导定语从句2、代替先行词3、在定语从句中担当一个成分二、关系代词引导的定语从句1.who指人，在从句中做主语(1)TheboyswhoareplayingfootballarefromClassOne.(2)YesterdayIhelpedanoldmanwholosthisway.2.whom指人，在定语从句中充当宾语，常可省略。(1)Mr.Liuistheperson(whom)youtalkedabout.注意：关系代词whom在口语和非正式语体中常用who代替，可省略。(3)Themanwho/whomyoumetjustnowismyfriend.3.which指物，在定语从句中做主语或者宾语，做宾语时可省略(1)Footballisagamewhichislikedbymostboys.(which在句子中做主语)(2)Thisisthepen(which)heboughtyesterday.(which在句子中做宾语)4.that指人时，相当于who或者whom；指物时，相当于which。在宾语从句中做主语或者宾语，做宾语时可省略。(5)Thepeoplethat/whocometovisitthecityareallhere.(做主语)(6)Whereisthemanthat/whomIsawthismorning?(做宾语)5.whose通常指人，也可指物，在定语从句中做定语(1)Hehasafriendwhosefatherisadoctor.(2)Ilivedinahousewhoseroofhasfallenin.whose指物时，常用以下结构来代替(3)Theclassroomwhosedoorisbrokenwillsoonberepaired.=Theclassroomthedoorofwhichisbrokenwillsoonberepaired.(5)Doyoulikethebookwhosecolorisyellow?=Doyoulikethebookthecolorofwhichisyellow?注：that用法(1)不用that的情况(a)在引导非限定性定语从句时。(错)Thetree,thatisfourhundredyearsold,Isveryfamoushere.(b)介词后不能用。Wedependonthelandfromwhichwegetourfood.Wedependonthelandthat/whichwegetourfoodfrom.(2)只能用that作为定语从句的关系代词的情况(a)在therebe句型中，只用that，不用which。(b)在不定代词，如：anything,nothing,theone,all等作先行词时，只用that，不用which。(c)先行词有theonly,thevery,thesame,thelast,just修饰时，只用that。(d)先行词为序数词、数词、形容词最高级时，只用that,不能用which。.(e)先行词既有人，又有物时。(f)先行词指物，在主句中作表语时．(g)为了避免重复．(h)先行词是theway或thereason时，that可作关系副词，也可省略(i)主句的主语是疑问词who/which时举例：Isthisthebookthatyouborrowedinthelibrary?这是你在图书馆借的那本书吗？Whothatbreakthewindowshouldbepunished．谁打碎了窗户都要受到惩罚．2Allthatisneededisasupplyofoil.所需的只是供油问题。Finally,thethiefhandedeverythingthathehadstolentothepolice.那贼最终把偷的全部东西交给了警察。三、关系副词引导定语从句关系副词关系副词：在句中作状语关系副词=介词+关系代词why=forwhichwhere=in/at/on/...which(介词同先行词搭配)when=during/on/in/...which(介词同先行词搭配)1.where指地点在定语从句中做地点状语用来表示地点的定语从句。(1)ShanghaiisthecitywhereIwasborn.(2)ThehousewhereIlivedtenyearsagohasbeenpulleddown.2.when引导定语从句表示时间。在定语从句中做时间状语也可做连接词用(1)IstillrememberthedaywhenIfirstcametotheschool.(2)Thetimewhenwegottogetherfinallycame.[注]表示时间“time一词的定语从句只用when引导，有时不用任何关系代词，当然也不用that引导。BythetimeyouarrivedinLondon,wehadstayedtherefortwoweeks.到你到达伦敦的时候，我们在那里已经待了两个星期。IstillrememberthefirsttimeImether.我仍然记得我第一次见到她。Eachtimehegoestobusinesstrip,hebringsalotoflivingnecessities,suchastowels,soap,toothbrushetc。每一次他去出差，他带来了生活必需品，如毛巾，肥皂，牙刷等，很多。3.why指原因在定语从句中做原因状语(1)Pleasetellmethereasonwhyyoumissedtheplane.(2)Idon’tknowthereasonwhyhelooksunhappytoday.注意：关系副词引导的从句可以由“介词+关系代词”引导的从句替换(1)Thereasonwhy/forwhichherefusedtheinvitationisnotclear,(2)Fromtheyearwhen/inwhichhewasgoingtoschoolhebegantoknowwhathewantedwhenhegrewup.注：1）介词后面的关系代词不能省略。2）that前不能有介词。3）某些在从句中充当时间，地点或原因状语的介词+关系词结构可以同关系副词when,where和why互换。ThisisthehouseinwhichIlivedtwoyearsago.ThisisthehousewhereIlivedtwoyearsago.Doyourememberthedayonwhichyoujoinedourclub?Doyourememberthedaywhenyoujoinedourclub?Thisisthereasonwhyhecamelate.Thisisthereasonforwhichhecamelate.练习(一)请分析一下定语从句：(请划出定语从句，并标出先行词)1.CheckthewaysyoustudyforanEnglishtest.2.AnotherthingthatIfoundverydifficultwasEnglishgrammar.3.Youcouldn’tunderstandpeoplewhotalkedfast.4.Ihavesomeideasthatmayhelp.5.Theysaidsomethingyoudidn’tlike.6.Canyouthinkofanyproblemsyouhavehadrecently?8.HewouldalwaystakeprideineverythinggoodIdo.9.MyfriendsandItalkedabouttherulesthatwehaveinschool.10.Whataresomeoftherulesthatateenagershouldobey?12.Ifyouknowanyoneelsewhocollectsthem,pleasetellme.13.Standingveryclosetothepersonyouaretalkingwithisquitecommoninsomecountries.14.Ifyouknowsomeoneyouknowdoingthis,youcanaskthem.15.AllIeverwantedtodowastraveling.二、用关系代词填空：that、which、who、whom、whose1.Thisistheman________wantstoseeyou.2.Thestudent___________answeredthequestionisZhangHua.3.Theman__________youwenttoseehascome.34.Theman___________Imetyesterdaylentmesomemoney.5.Thewoman___________yousawisourgeographyteacher.6.Therunner_____________youareaskingaboutisoverthere.7.Theperson___________youshouldwritetoisMr.Ball.8.Theman___________waspassingbysawwhathappened.9.Hereisthepen______youlostthedaybeforeyesterday.10.Thesebooks_________youlentmewereveryuseful.11.Thestorybook_______Ihavejustreadcannotbeeasilyforgotten.12.Aclockisamachine______tellspeoplethetime.13.Thisisshirt_________Iboughtyesterday.14.Adictionaryisabook_______givesthemeaningtotheword.15.Thebook____________isonthetableismine.16.Thefilm_________theyaretalkingaboutisveryinteresting.17.Iwillneverforgetthepeopleandtheplaces_____Ihaveevervisited.18.Isthereanyone____________familyisinBeijing?19.Showmetheboy__________motherisawell-knownsinger.20.Theboy______fatherisateacherisgoodatEnglish.三、单项选择()1.YourteacherofChineseisayounglady____comesfromBeijing.A.who