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定语从句要点易错点*who和that的区别：Whoisthemanthatissittingatthewindow?主句的主语是who,为避免重复从句用that引导Thosewhoareinterestedinmodernartcangetfreeticketsforthemuseum.当先行词为人称代词和指示代词时，常用who。Lastweek,Igotaletterfrommyfather,whoisnowworkingintheMiddleEast.在非限制性定语从句中，指人时只能用who。*which和that的区别：某些情况下定语从句只能用that引导，不用which1.先行词是something,anything,everything,nothing,little,all,much等不定代词时,只能用thatIsthereanythingthatIcandoforyou?YoumustdoeverythingthatIdo.2.先行词被形容词最高级修饰时ThisisthetallestbuildingthatIhaveeverseen.3.先行词被序数词修饰时ThefirstEnglishnovelthatIhavereadisTaleofTwoCities.4.先行词被(the)only,no,(the)very,all,thelast,much,every,some,any，few,little等修饰时ThisistheverybookthatIwanttobuy.Thereisnodifficultythatwecan’tovercome.Allthatwehavetodoistopracticeeveryday.5.当先行词中既有人又有物时。Theytalkedforabouthalfanhourofthingsandpersonsthattheyrememberedintheschool.6.Whichisthepicturethatyoulikebest?主句的主语是which,为避免重复从句用that引导.7.当关系代词在从句中作表语时，只能用that。Youreallychangedalot,soyouarenottheyoungguythatyouwere.1.Theytalkedforaboutanhourofthingsandpersons______theyrememberedintheschool.A.whichB.thatC.whoD.whom2.Who_____hascommonsensewilldosuchathing?A.whichB.whoC.whomD.that3.Whoistheboy______isspeakingthere?A.whomB.whichC.thatD.who4.Thisistheverybook_______Ibadlyneed.A.towhichB.thatC.whichD.what5.Thisisthethirdcity______theforeignfriendshavepaidavisitto.A.whereB.whichC.thatD.inwhich6.Thebestbooks______Iborrowedfromthelibraryareallhere.A.whichB.thatC.whatD.whatever7.Whichofthebuildings______arebeingbuiltwillbeaschoolstadium?A.thatB.whichC./D.they8.Those____likebasketballcanenterforthegame.A.thatB.whoC.whichD.thatwhose引导定语从句有那些注意点？whose作定语,后面跟名词.一般有三种表示形式.例:Thisisthedictionarywhosecoverhascomeoff.=Thisisthedictionary,______________hascomeoff.=Thisisthedictionary,________________________hascomeoff.thecoverofwhichofwhichthecover疑问句中考查定语从句Isthisthefarm________youvisitedlastweek?Isthisfarm_______youvisitedlastweek？A.whereB.theoneC.onwhichD./DBoneof和the(only)oneof引导的定语从句在主谓一致问题上应注意什么？Mr.Herpinisoneoftheforeignexpertswho______inChina.A.worksB.isworkingC.arewordingD.hasbeenworkingMr.Herpinistheonlyoneoftheforeignexpertswho______inChina.A.workB.isworkingC.areworkingD.havebeenworkingJackisonlyoneofthestudents_______interestedinpopmusic.A.whoisB.whichisC.whoareD.whicharetheway作先行词有三种形式作关系词Idon’tliketheway___________youspeaktoher.thatinwhich/在定语从句中加了多余的宾语。如：1）．误：SomeoftheboysIinvitedthemdidn’tcome．2）．误：Thebookthatyouneeditisinthelibrary．把定语从句谓语动词的单、复数弄错。1)．误：Anyonewhobreakthelawwillbepunished．2)．误：Thosewhohasfinishedmaygohome．误省略了定语从句中作主语的关系代词1)．误：Childreneatalotofsugaroftenhavebadteeth．2)．误：Thekeyopensthebikeismissing．shavewhothat/which关系代词和关系副词的区别：Doyouthinkthereasonwhyhegaveusisreasonable?在作先行词的时间名词或地点名词后错用了关系代词或关系副词。1)．误：Istillrememberthedaywhenwespenttogether．2)．误：Thisisthehousewherewelivedinlastyear．thatthatthat定语从句中加了多余的关系副词或介词。1)．误：Thehousewherehelivesinneedsrepairing．2)．误：IstillrememberthedayonwhenIfirstcametoBeijing．thatwhichas做关系代词的用法1．关系代词常出现在thesame…as,such…as,so…as,as…as等结构中ThisisnotsuchabookasIexpected.Iliveinthesamebuildingashe(livesin).Hereissobigastoneasnomancanlift.Asmanychildrenascamehereweremyfather’spupils.★thesame…that…和thesame…as…的区别Ihaveboughtthesamewatchasyouhave.我买了一块和你一样的手表。（我的手表和你的手表很像，但不是同一块。）ThisisthesamewatchthatIlost.这就是我丢的那块手表。（这手表和我丢的手表是同一块）2．as引导非限制性定语从句，指代逗号前的整个句子（即先行词），可置于句首或句末。Thiselephantislikeasnake,asanybodycansee.Marywaslateforschool,asoftenhappened.Asisknowntoall,theearthisround.★as指代一句话和which指代一句话的用法区别as的这种用法通常出现在一些固定短语之中如：1．ashasbeensaidbefore如上所述2．asmaybeimagined正如可以想象出来的那样3．asiswellknown众所周知4．aswasexpected正如预料的那样5．ashasbeenalreadypointedout正如已经指出的那样6．asweallcansee正如我们都会看到的那样Which则不是，例如：Themandiedlastnight,whichisalie.as替代一句话即可放句首也可放句末，而which只能放句末。1.Idon’tlike_______youspeaktoher.(1996上海)A.thewayB.thewayinthatC.thewaywhichD.thewayofwhich2.Alloftheflowersnowraisedherehavedevelopedfromthose______intheforest.A.oncetheygrewB.theygrewonceC.theyoncegrewD.thatoncegrew(1997上海)3.CarolsaidtheworkwouldbedonebyOctober,______personallyIdoubtverymuch.A.itB.thatC.whenD.which(99)4._______ismentionedabove,thenumberofthestudentsinseniorschoolsisincreasing.A.WhichB.AsC.ThatD.It(1999上海)5.Dorothywasalwaysspeakinghighlyofherroleintheplay,________,ofcourse,madetheothersunhappy.A.whoB.whichC.thisD.what(2000)6.RecentlyIboughtanancientChinesevase,______wasveryreasonable.(2000上海)A.whichpriceB.thepriceofwhichC.itspriceD.thepriceofwhose8.Theresultoftheexperimentwasverygood,_______wehadn’texpected.A.whenB.thatC.whichD.what(2000北京春)9.Haveyouseenthefilm“Titanic”,______leadingactorisworld-famous?A.itsB.it’sC.whoseD.which(2001上海春季)10.Johnsaidhe’dbeenworkingintheofficeforanhour,______wastrue.A.heB.thisC.whichD.who(2001北京春)定语从句与状语从句。试比较：①Heleftthekeywherehehadbeenanhourbefore.②Helefttheplacewherehelivedformanyyears.③Heissuchagoodteacherasallofusloveandrespect.④Heissuchagoodteacherthatwealllikehim.(where引导地点状语从句，相当于intheplacewhere)(where引导定语从句，修饰theplace)(as引导定语从句)(that引导结果状语从句,such…that…“如此…以致…”