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1、学习好资料欢迎下载定语从句难题讲解同学们在定语从句的复习中应该注意以下要点：（一）关系代词that和which使用时应注意的几点1在下列情况下只用that，不用which先行词是all,everything,nothing,anything,little,much,theone等不定代词时Thereisnothing(that)Icando.Imeantheonethatwasbroughtyesterday.先行词被all,any,every,no,some,little,much等词修饰时Ihavereadallthebooks(that)yougaveme.Youmaytakehomea
2、nyofthesebooksthatyoulike.先行词被序数词或形容词最高级修饰时Thisisthefirstcomposition(that)hehaswritteninEnglish.Thisisthebestnovel(that)Ihaveeverread.先行词被theonly,thevery(正是,恰是),thesame,thelast修饰时Thewhitefloweristheonlyone(that)Ireallylike.Thisistheverybook(that)Iwanttofind.Thelastplace(that)wevisitedwasthehospital.
3、ThisisthesamewatchthatIlostyesterday.当先行词有两个或两个以上时,既有人又有物,定语从句用that引导(that既可指人也可指物)Hetalkedabouttheteachersandschoolsthathehadvisited.2下列情况不能使用that,而用whichthat不能引导非限制性定语从句学习好资料欢迎下载Football,whichisaveryinterestinggame,isplayedallovertheworld.that不能置于介词之后（介词后指物用which,指人用whom）ThepersontowhomIamspeaking
4、justnowisourEnglishteacher.Theprizeforwhichheworkedsohardwasanewbicycle.（二）as做关系代词的用法1关系代词常出现在thesameas,suchas,soas,asas等结构中ThisisnotsuchabookasIexpected.Iliveinthesamebuildingashe(livesin).Hereissobigastoneasnomancanlift.Asmanychildrenascamehereweremyfatherspupils.thesamethat和thesameas的区别Ihavebough
5、tthesamewatchasyouhave.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）2as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
6、语之中如：1ashasbeensaidbefore如上所述学习好资料欢迎下载2asmaybeimagined正如可以想象出来的那样3asiswellknown众所周知4aswasexpected正如预料的那样5ashasbeenalreadypointedout正如已经指出的那样6asweallcansee正如我们都会看到的那样which则不需要，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。（三）定语从句中的主谓一致引导词在定语从句中作主语时，其谓语动词人称和数要根据引导词所指内容而定。例如：1.Herear
7、esuchsentencesasareoftenusedbythestudents.(as指代sentences，谓语动词用are)。2.I,whoamaPartymember,shouldworkhardforourcountry.(who指代I,谓语用am.)。3.Hewasoneofthestudentswhowerepraisedforit.(who指代thestudents)他是被表扬的学生之一。4.Hewastheonlyoneofthestudentswhowaspraisedforit.(who指theonlyone)他是唯一被表扬的学生。（四）易与定语从句混淆的其他复合句1定
8、语从句与同位语从句定语从句与前面的名词是修饰与被修饰的关系“。的（名词）”。而同位语从句是用来说明前面名词的内容。与that从句同位的名词必须是一些表事实或概念的抽象名词，如fact,news,belief,truth,reply等。that在定语从句中作成分，可用which或who/whom代替；而that在同位语从句中不充当任何句子成分，只起连接作用。试比较：Weallhaveheardthenewsthatourteamwon.(同位语从句，that从句表示news的内容，that在从句中不作任何成分)学习好资料欢迎下载Wedontbelievethenewsthat/whichheto
9、ldusyesterday.(定语从句，that作told的宾语)2定语从句与状语从句。试比较：Heleftthekeywherehehadbeenanhourbefore.(where引导地点状语从句，相当于intheplacewhere)Helefttheplacewherehelivedformanyyears.(where引导定语从句，修饰theplace)Heissuchagoodteacherasallofusloveandrespect.(as引导定语从句)Heissuchagoodteacherthatwealllikehim.(that引导结果状语从句,suchthat“如此
10、以致”3定语从句与主语从句。试比较：Asisknowntousall,paperwasfirstmadeinChina.(as引导定语从句，指代整个主句内容，可置于句首)ItisknowntousallthatpaperwasfirstmadeinChina.(it做形式主语，代替that引导的主语从句)4定语从句与强调结构。试比较：ItisthehousewhereImettheyoungman.(where引导定语从句，修饰house，where在定语从句中作地点状语)ItwasinthehousethatImettheyoungman.(本句为强调结构，可还原为Imettheyoungm
11、aninthehouse.)下面咱们一起来分析几道定语从句的难题。例1Itistheyoungman_lookedfor_caughtthemurderer.学习好资料欢迎下载A.thatwhoB.thattheyC.theythatDtheywhich分析：答案是C。本题考查了定语从句和强调句式。强调句式的结构是“Itis+强调部分+that/who.”。theylookedfor前省略了关系代词that,因为先行词theyoungman在从句中做lookedfor的宾语。强调句为Itistheyoungmanwho/thatcaughtthemurderer.本句意思是“是那个他们寻找的年
12、轻人抓住了杀人犯”。例2Isthisfactory_wevisitedlastyear?A.whereBinwhichCtheoneDatwhich分析：做这题首先要明白一个概念。被定语从句修饰的名词前一般都有the，因为它已被限定。所以此题还原成陈述句应该是thisfactoryis_wevisitedlastyear.而不是thisisfactory_wevisitedlastyear.知道这一点后做题容易了，不能选A,B,D。因为句子没有先行词。所以答案是C。从句前省略了关系代词that/which。题目如改为Isthisthefactory_wevisitedlastyear?空格处应该用which或that。例3Thebook,thecover_isbro
