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修饰名词和代词的成分定语:abeautifulfloweratallboybeautifultall定语从句：修饰名词和代词的从句ThisisthebestfilmthatIhaveseen.定语从句thebestfilm先行词that关系词ThisisthebestfilmthatIhaveseen.关系词引导定语从句代替先行词在从句中担当一个成分关系词的作用1）2）3）1.指物时只用that或which的情况2.介词+关系代词3.Whose用法及转换形式4.as与which的区别5.指人时that与who的区别6.如何判断用关系副词还是关系代词7.定语从句中的主谓一致问题常见考点解题思路:1.通读全句。首先判断是什么句型。2.题干句如果是疑问句式，将其转化为陈述句式。3.分析从句的句子结构，在定语从句中，缺什么，就补什么：缺主或宾语，用关系代词；缺状语，用关系副词4.注意标点符号和题干中是否存在并列连词and,but等。theusageoftherelativepronoun关系代词指代在定语从句中所充当的成分人物句子主语宾语定语whowhomwhichthatwhosetheusageoftherelativeadverb关系副词指代所充当的句子成分whenwherewhytimeplacereason状语状语状语1.Thisisall____Iknowaboutthematter.A.thatB.whatC.whoD.whether2.Isthereanythingelse_____yourequire?A.whichB.thatC.whoD.what3.Thelastplace_____wevisitedwastheGreatWall.A.whichB.thatC.whereD.it考点一:that与which的区别先行词为all,little,much,everything,nothing,something,anything等不定代词时，关系代词用that4.Hetalkedhappilyaboutthemenandbooks_____interestedhimgreatlyintheschool.A.whichB.thatC.itD.whom5.Thereisnodictionary_____youcanfindeverything.A.thatB.whichC.whereD.inthat6.Isoxygentheonlygas_____helpsfireburn?A.thatB./C.whichD.it7.Whichwasthehotel_____wasrecommendedtoyou?A.thatB.whichC.whereD.it先行词为人和物的组合先行词被all,little,much,every,no,等修饰时先行词被序数词或最高级修饰先行词前有序数词(thefirst),形容词最高级(thebest),thelast,thevery,theonly等时。若主句中有疑问代词who或者which，为了避免重复,关系代词不要再用who,which，而用that。1.先行词为all,little,much,everything,nothing,something,anything等不定代词2.先行词被all,little,much,every,no,等修饰时。3.先行词被序数词或最高级修饰先行词前有序数词(thefirst),形容词最高级(thebest),thelast,thevery,theonly等时。4.先行词为人和物的组合5.若主句中有疑问代词who或者which，为了避免重复,关系代词不要再用who,which，而用that。只用that的情况:考点一:that与which的区别考点二：连接词which的用法Which引导非限定性定语从句，其先行词可是一个词,也可是整个主句或主句的某一部分。e.g.1.Sheheardaterriblenoise,______broughtherheartintohermouth.A.itB.whichC.thisD.that2.Theweatherturnedouttobegood,___wasmorethanwecouldexpect.A.whatB.whichC.thatD.itBBAs的常用搭配Asisknown,…/asweknow,…Asisexcepted,…Asisshowninthepicture,…Asisoftenthecase,…Asismentionedabove,…Astheoldsayinggoes,…1.______wasnatural,hemarriedJenny.A.WhichB.ThatC.ThisD.As2.Suchsigns_____weuseintheexperiment______Greekletters.A.as,areB.as,isC.that,areD.that,is3.Sheisverygoodatdance,____everybodyknows.A.thatB.whichC.whoD.as4.______hasbeensaidabove,grammarisasetofdeadrules.A.WhichB.WhatC.ThatD.As5.Wedothesamework_____theydo.A.whichB.asC.thanD.like考点三：as与which引导的定语从句两者均可引导非限制性定语从句，有时可以互换，但下列情况多用as。1.关系代词引导的定语从句居句首时。e.g.Asweallknow,theearthisround.2.当与such或thesame连用时，一般用as。e.g.Suchbooksasyoutellmeareinteresting.Ihavethesameplanasyou.GoonPlease!3.当从句和主句语义一致时，用as，反之则用which。e.g.Shehasmarriedagain,aswasexpected.Shehasmarriedagain,whichwasunexpected.Goonplease!4.as在从句中作主语时，后面常接行为动词的被动语态，如beknown，besaid，bereported等，如从句中行为动词是主动语态，一般要用which作主语。e.g.Shehasbeenlateagain,aswasexpected.Tomhasmadegreatprogress,whichmadeushappy.考点四：介词+关系代词****“of+which/whom”可用来限定名词、代词、分数词、数词等。e.g.1.Inthedarkstreet,therewasn’tasingleperson____________shecouldturnforhelp.A.thatB.whoC.fromwhomD.towhom2.Hepaidtheboy$10forwashingthewindows,mostof________hadn’tbeencleanedforatleastayear.A.theseB.thoseC.thatD.whichDD关系代词前介词的确定1.根据从句中动词与先行词的固定搭配，请体会：e.g.Isthatthenewspaperforwhichyouoftenwritearticles?2.根据从句中动词或形容词的习惯搭配，如：e.g.CanyouexplaintomehowtousetheseidiomsaboutwhichI’msure.3.根据先行词与介词的搭配习惯，请体会：e.g.1949wastheyearinwhichtheP.R.C.wasfounded.关系代词前介词的确定4.非限制性定语从句中，要表示先行词的一部分时，可用“数词/代词+of+关系代词”的结构，如：e.g.Thereare50studentsinourclass,two-thirdsofwhomhavebeentoBeijing.考点五:关系副词的运用在限定性和非限定性从句中，when的先行词是时间名词，where的先行词是地点名词，分别在定语从句中做状语。e.g.1.AfterlivinginParisfor50yearshereturnedtothesmalltown______hegrewupasachild.A.whichB.whereC.thatD.when2.Itwasanexcitingmomentforthesepeoplethisyear,______forthefirsttimetheirteamwontheWorldCup.A.thatB.whileC.whichD.whenBD考点六:定语从句中主谓一致问题定语从句中的动词在人称和数方面应该与它的先行词保持一致。1.Iamnotonewho______afraidofdifficulty．2.Don’tchooseme,who_______notfitforthisjob．isam3.Thisisoneofthebestbooks_______.A.thathaveeverbeenwrittenB.thathaseverbeenwrittenC.thathaswrittenD.thathavewritten4.Sheisnottheonlyoneofthegirls___wellinclass.A.whichsingsB.whosingC.whosingsD.whotosing考点七：Whose用法及转换形式1.whose引导定语从句，其后应紧跟名词，构成名词短语。That’sthechildwhosefatherisateacher.Doyouknowthewomanwhosehusbandisadoctor?Thisisabookwhosecoverisgreen.2.whose引导定语从句，其先行词不仅可以指人，还可以指物。3.whose的先行词指物时,可用ofwhich代替,但词序不同，即whose+名词=the+n+ofwhich=ofwhich+the+n.Helivesintheroomwhosewindowfacessouth.=Helivesintheroom,facessouth.=Helivesintheroom,facessouth.thewindowofwhichofwhichthewindow1.Isthisfactory____wevisitedlastweek?DIsthisthefactory____wevisitedlastWeek?A、whereB、thatC、towhichD、theoneB解题关键：如果是疑问句式，将其转化为陈述句式。Exercises2.Letmethinkofapropersituation_______thissentencecanbeused.A、whereB、thatC、ofwhomD、whichA先行词是situation,case,scene…时，一般用where,最佳选择则是inwhich3.Shewillneverforgettheday_____shespentinBeijing.A、whenB、whatC、whichD、whyCShewillneverforgettheday_____shestayedwithhiminBeijing.A5.Thecollegewon’ttakeanyone_____eyesightisweak.A、whoB、whoseC、ofwhomD、whichB6.Those_____totakepartinthegamewritedownyournames.A、whoB、whowantC、whowantsD、whatB7.Idon'tlikeEnglishgrammar,_____Iamnotinterested.Ilikethishouse,_