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1、定语从句（I）一、概念：在复合句中修辞名词和代词的句子.（在句子中做定语）HarryPorterisasmartboy.（形容词做定语）HarryPorterwhohasmagicpower.（句子做定语，叫做定语从句）注意：被定语从句限定的词叫先行词,引导定语从句的词叫关系代词和关系副词关系代词和关系副词有三大作用：1・连接（连接定语从句和主句）2.替代（替代前面的先行词）3.成分（在定语从句中要充当一定的句子成分）二、・关联词1.引导定语从句的关系代词主语宾语定语指人whowhom（优先）whose(ofthatwhowhom)that指物thatthatwhose(ofwhic
2、hwhichwhich)指人和物thatthatwhose1.引导定语从句的关系副词(whenwherewhy)先行词关系副词在从句屮的成分时间名词when吋间状语地点名词where地点状语reasonwhy原因状语3.特殊代词as的用法1)thesame...as；such...as中的as是一种固定结构，和……—样……。Eg:Ihavegotintothesametroubleashe(has).2)as可引导非限制性从句，常带有，正如幕例如：Asweknow,smokingisharmfultoone'shealth.Asisknown,smokingisharmfultoon
3、e'shca1th.三、用法(指出关系代词和关系副词在定语从句中的成分)1.ThemanwhocametoourschoolisMr.Wang.()2.ThegirlwhomImetisLucy.()3.AchildwhoseparentsaredeadiscalledTom.()4.Ilikethebookwhich/thatyouboughtyesterday.()5.Thesearethetreeswhich/thatwereplarmedlastyear.()1.IrememberthedaywhenTfirstmethim.2.ThisistheplacewhereIwas
4、born.()3.Canyoutellmethereasonwhyyouliedtome.(四、考点(定语从句改错题)1.关系代词只能用that的情况(1)先行词既有人又有物吋。(2)先行词为all,anything,nothing,something,little,few,much等不定代词时.⑶先行词被all,each,few,much,every,no,some,any等不定代词修饰时.(4)先行词被序数词或形容词最高级修饰时.(5)先行词被theonly,thevery,thelast等修饰时ThisistheverygunthatIamlookingfor.⑹主句是以who
5、或which开头的疑问句Whoisthemanthatisspeakingoverthere?(7)在-therebe句型中，如先行词指物，用that,而不用which.Therearemanybooksthatwerewrittenbvhiminmvhome.Thereisahousethathasbeaut讦ulwindows.练习(一)Thestudentsandthingswhichyouspokeofareknowntous.()ThisisthefirstcompositionwhichhehaswritteninEnglish.()2.定语从句中只能使用关系词which
6、不使用that的情况主要有(1).在非限制性定语从句中Thehouse,whichweboughtlastmonth,isverynice.(2).在“介词+关系代词”引导的定语从句中ThisisthehouseinwhichIlivedtwoyearsago.练习（二）Thesungivesofflightandwarmth，thatmakesitpossibleforplantstogrow.()Hisdog,thatwasnowveryold,becameillanddied.()Thehouseinthatweliveisverysmall.()1.as的用法练习(三)Iti
7、sknowntoall,the2008OlympicGameswillbeheldinBeijing.()IwillbuythesamebikewhichIlostyesterday.()4从句中使用了多余的人称代词练习(四)I'musingthepenwhichheboughtityesterdayThemanyousawhimjustnowismymathteacher.5.从句谓语动词的人称和数与先行词不一致练习(五)Thosewhowantstog
