【知识衔接】————初高中课程解读————初中课程高中课程初中英语中,要求了解定语从句的相关概念。握关系代词的基本用法,会根据从句的成分选择合适的关系副词。初步了解非限制性定语从句。高中英语中,要求了解代词和关系副词引导定语从句的区别。掌握介词+关系词引导定语从句的用法。掌握非限制性定语从句的引导词用法。————初中知识回顾————一.定语从句的相关概念(1)定语从句:在主从复合句中用作定语的从句叫定语从句。定语从句一般紧接在先行词后面。(2)先行词:被定语从句修饰的成份。先行词可以为一个词,短语,或整个主句。(3)引导定语从句的词叫关系词,分为关系代词和关系副词。关系词的作用:1)引导定语从句,连接主句和从句,相当于一个连词;2)必在从句中作某个句子成份(可以做主语,宾语,表语,定语,状语)常用的关系代词:that、which、who、whom、as,在从句中作主语,宾语,whose定语)常用的关系副词(在从句中只作状语):when、why、whereThestudentwhoansweredthequestionwasJohn.Iknowthereasonwhyhewassoangry.Theboy(whom)youaretalkingtoismybrother.I'dlikearoomwhosewindowlooksoutoverthesea.定语从句三步:第一找出先行词;第二看先行词在定语从句中的语法功能(做主语、宾语或状语);第三选择合适的关系词。二.几个关系代词的基本用法1.that:可指人或物;在定语从句中作主语,宾语,表语。(指人时,相当于who或whom;指物时,相当于which)(一般不用于非限制性定语从句;不可置于介词后作宾语)如:1.Doyouknowthegentlemanthat/whospokejustnow?2.Youcantakeanything(that)youlike.3.Whatisthequestion(that/which)theyaretalkingabout?4.Hereistheman(who/whom/that)youwanttosee.5.She'snolongerthegirl(that)sheusedtobebefore.2.which:指物;在定语从句中作主语,宾语,表语,定语。如:1.Thebookwhich/thatwasonthedeskwasboughtbymyfather.2.Thebook(which/that)Iboughtyesterdayisveryinteresting.3.Thefactoryinwhichhisfatherworksisfarfromhere.3.who,whom,whose:who:主格,在从句中作主语,在口语或非正式用法中作宾语;只可指人whom:宾格,在从句中作宾语;只可指人whose:属格,在从句中作定语,可指人也可指物。1.Ilikethestudentswho/thatworkhard.2.Allwhoheardthestorywereamazed.(代词如he,they,any,those,all,one等后多用who.)3.He'samanfromwhomweshouldlearn.=He'saman(whom/who/that)weshouldlearnfrom.4.Achildwhoseparentsaredeadiscalledanorphan.5.I'dlikearoomwhosewindowfacessouth.=I'dlikearoomofwhichthewindowfacessouth.=I'dlikearoomthewindowofwhichfacessouth.三.关系副词引导的定语从句1.When指时间,在定语从句中作时间状语。其先行词是表时间的名词(如:time,day,week,tear,month,etc.)HecamelastnightwhenIwasout.Wewillputoffthepicnicuntilnextweek,whentheweatherwouldbebetter.2.Where指地点,在定语从句中作地点状语。其先行词是表示地点的名词,如:place,school,factory,room,etc.ThisistheplacewhereIwasborn.Iliveintheroomwhere/inwhichheusedtolive.3.Why指原因,在定语从句中作原因状语。先行词为reason时,可用forwhich指代;当关系词在从句中作主语或宾语时,则用which或that引导。如:1.Thereasonwhy/forwhich/(that)hedidn'tattendthemeetingwasthathewasill.2.Idon'tbelievethereason(that/which)hegaveme.(作宾语)3.Haveyouaskedhimthereasonthatmayexplainhissuccess?(作主语)四.限制性定语从句与非限制性定语从句的区别1.形式上,非限制性定语从句往往用逗号隔开。2.语法上,非限制性定语从句一般不用that.3.语义上,限制性定语从句与先行词关系紧密,起限定作用,如果去掉了这个定语从句,整个句子就不完整或者会改变意思;而非限制性定语从句与先行词关系不是很紧密,对先行词起补充说明或描述的作用。ThisisthebookIlikebest.这就是我最喜欢的那本书。Beijing,whichhasbeenChina'scapitalformorethan800years,isrichinculturalandhistoricrelics.北京是中国八百年之久的古都,它有着丰富的文化和历史遗产。4.翻译时,限制性定语从句可译为一句(较短的一般译为的字结构);而非限制性定语从句可译为两句。(见上句翻译)比较:Hehasasister,whoisamusician.Hehasasisterwhoisamusician.注意:引导非限制性定语从句的关系代词,指人时用who,whom,whose,指物时用which,whose;关系副词when,where,why,etc.1.Hestudiedhardatschoolwhenhewasyoung,whichleadstohissuccessinhislaterlife.2.Tom'sfather,whoarrivedjustnow,isafamousscientist.————高中知识链接————一.关系代词作介词宾语:(介词+whom/which)关系代词在定语从句中用作介词宾语时,介词可放于从句之首,也可放于从句之末.但以放于句首较为正式.(介词前置,必须注意不影响动词词组的含义。)1.Thisisthebookforwhichyouasked.=Thisisthebook(that/which)youaskedfor.2.DoyouknowthepersonwithwhomIshookhands?=Doyouknowtheperson(whom/who/that)Ishookhandswith?3.Isthisthefactorytowhichyoupaidavisitlastweek?4.Isthisfactorytheonetowhichyoupaidavisitlastweek?5.Thisisthegirlwhomtheyarelookingafter.(介词after与look构成固定词组,不可前置。lookat,lookfor,lookafter,takecareof等)二.关系副词引导定语从句重点1.When先行词为时间名词,可用when引导定语从句,when在定语从句中作状语;还可以用which或that引导,which或that在从句中作主语或宾语。比较:1.Istillrememberthedaywhen/onwhichmybrotherjoinedthearmy.(作状语)2.Istillrememberthedayswhich/thatwespenttogether.(作宾语)3.IshallneverforgetthedaywhenShenZhouⅤwaslaunched,whichhasagreateffectonmylife.2.Where先行词是地点名词,定语从句可用where引导,还可用which或that引导,which/that在从句中作主语或宾语。比较:※1.Thisisthefactorywhere/inwhichheworkedlastyear.(作状语)2.Ithinkyouhavegottothepointwhereachangeisneeded,oryouwouldfail.3.He'sgothimselfintoadangeroussituationwherehe'slikelytolosecontroloftheplane.4.Thisistheparkwhich/thattheyvisitedlastyear.(作宾语)3.Why注意:当先行词为way时,theway在从句中作状语时,定语从句常用that,inwhich,或how引导,that常可以省略。theway在从句中作主语或宾语时,则用which或that引导。如:Thisistheway(that)/inwhichIdosuchthings.比较:Pleasedotheexperimentintheway(that/which)Ihaveshownyou.三.用that不用which的情况在定语从句中,which和that在指代事物时,一般可以互换使用,但并非在任何情况下都是这样,这里介绍宜用that,而不宜用which的情况.①先行词为不定代词,all,much,something,everything,anything,nothing,none,theone等。1.Weshoulddoallthatisusefultothepeople.2.There'snothingthatcanbesaidaboutit.3.Doyoumeantheonethatwasboughtyesterday?②先行词被only,any,few,little,no,just,very,oneof等词修饰时。1.Theonlythingthatwecoulddowastowait.2.That'stheverywordthatiswronglyused.3.Thelastplace(that)wevisitedwasthechemicalworks.比较*Thisisoneofthebestnovelsthatwerepublishedlastyear.*Thisistheonlyoneofthebestnovelsthatwaspublishedlastyear.③先行词是序数词时或被序数词修饰时。1.WhenwetalkaboutWuxi,thefirstthatcomesintomindisTaiLake.2.Thisisthethirdfilmthathasbeenshowninourschoolthisterm.④先行词是最高级或被最高级修饰时。1.Thisisthebestthatcanbedonenow.2.Themostimportantthingthatshouldbedonerightnowishowtostophimfromgoingon.⑤先行词既有人又有物,用which和who都不适合,这时宜用that.如:1.Thewriterandhisnovelthatyouhavejusttalkedaboutisreallywellknown.2.Theriderandhisbikethathadrunoveranoldwomanwereh