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1、定语从句定语从句AttributiveClause概述I定义：在句中做定语，修饰一个名词或代词，它的作用相当与一个形容词,因此也叫形容词性从句.II五要素：1主句2从句3先行词:被修饰的名词词组或代词4关系代/副词:连接主从句5先行词在从句中充当的成分Forexample:Thisisabookwhichtellsaboutclonetechnology.III定语从句的关系代/副词关系代词：thatwhowhomwhichwhoseas关系副词：wherewhenwhy注意：what、how不用来引导定语从句。I
2、V解题思路a关系代词1先行词是人,先行词在从句中做主语,关系代词用who/thatTheboywhowonthefirstprizeiscalledRoy.2先行词是人,先行词在从句中做宾语,关系代词用whom/who/thatThegirlwhomIlookafterisverybright.3先行词是物,先行词在从句中做主语,关系代词用which/thatDoyouthinkmoststudentspreferteststhathaveeasyquestions?4先行词是物,先行词在从句中做宾语,关系代词用w
3、hich/thatIlikethemusic___Icandanceto.A.thatB.whoseC.whenD.whichIlikethemusicto___Icandance.A.thatB.whoseC.whenD.which5先行词是人/物,先行词在从句中做主/宾语,关系代词用thatthat=who/whom/which6先行词是人/物,先行词在从句中做某一成分的定语,关系代词用whose(1).Doyouknowtheman?(2).Theman’swatchismissing.Doyouknowth
4、emanwhosewatchismissing?可以同ofwhich互换whosewhose+n.=then.+ofwhich注意：人用whom(1).Pleasepassmethebook.(2).Thebook’scoverisgreen.PleasepassmethebookwhosecoverisgreenPleasepassmethebookthecoverofwhichisgreen.关系副词7先行词是时间,先行词在从句中做时间状语,关系副词用whenIwillrememberthetimewhenwe
5、studiedabroad.8先行词是地点,先行词在从句中做地点状语,关系副词用whereTheplaygroundwhereweusedtoplaybasketballdoesn’texist.9先行词是原因,先行词在从句中做原因状语,关系副词用whyIhavetoldyouthereasonwhyIbeathim.Thereason---isthat---AS的用法：as/which1.引导非限制性定语从句。2.搭配：so/such/thesame---as---3.as引导的从句可前可后；which只能在后。
6、As…,句子。句子,as/which…。V解题思路b根据从句所缺的成分填关系代副词1从句缺主语，填whothatwhich2从句缺宾语，填whomthatwhich3从句缺表语，填that4从句缺定语，填whose5从句缺状语，填whenwherewhy6关系词代替一个句子，填aswhich7定语从句热身练习1初中版：用关系代副词填空1Thebook__Iboughtyesterdayisaboutscience.2Idon’tliketheman__istalkingtoLucy.3Thegirl__Ihelpl
7、ikesEnglish.4Lucycamelate,___makesmeangry5Thebook___coverisbrokenseemslikeabox.6Iwanttomarrythegirl__fatherispresident.7Iwon’tforgetthedays__wespenttogether.8Iwon’tforgetthedays__weworkedtogether9Thepark___weoftenwalkliesintheeast.10Thepark___weoftenvisitliesi
8、ntheeast.11Thereason___Icamelateisveryclear.12Thereason___Iexplainedisveryclear.定语从句涉及的三个问题I定语从句与同位语从句的区别II介词+which=where/when/whyIII只能用that作引导词注意在以下8种情况下,只用that不用which/who1.先行词是al
