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1、概念:1.在句子中修饰名词或代词,定语从句 在句中充当定语. 2.定语从句必须有先行词,并尽量靠近先行词. 3.在定语从句中,关系词在从句中充当成分.关系代词与关系副词 关系代词:指人:who(主格),whom(宾格),whose(所有格)指物:which(主格,宾格),whose(所有格)指人或物:that关系副词:when,where,why关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语等成分。关系代词在定语从句中作主语时，从句谓语动词的人称和数要和先行词保持一致。1）who,whom,t
2、hatIshethemanwho/thatwantstoseeyou?他就是你想见的人吗？（who/that在从句中作主语）Heisthemanwhom/thatIsawyesterday.他就是我昨天见的那个人。（whom/that在从句中作宾语）2)Whose用来指人或物，(只用作定语,若指物，它还可以同ofwhich互换）,例如：Theyrushedovertohelpthemanwhosecarhadbrokendown.那人车坏了，大家都跑过去帮忙。Pleasepassmethebookwhose(ofwhich)coverisg
3、reen.请递给我那本绿皮的书。3）which,thatThepackage(which/that)youarecarryingisabouttocomeunwrapped.你拿的包快散了。(which/that在句中作宾语）关系副词可代替的先行词是时间、地点或理由的名词，在从句中作状语。when,where,why关系副词when,where,why的含义相当于"介词+which"结构，因此常常和"介词+which"结构交替使用，例如：Beijingistheplacewhere(inwhich)Iwasborn.北京是我的出生地。Ist
4、histhereasonwhy(forwhich)herefusedouroffer?这就是他拒绝我们帮助他的理由吗？ 准确判断先行词在定语从句中的成分(主、谓、宾、定、状)，也能正确选择出关系代词/关系副词。1.Isthismuseum___youvisitedafewdaysage?A.whereB.thatC.onwhichD.theone 2.Isthisthemuseum____theexhibitionwasheld.A.whereB.thatC.onwhichD.theone不用that的情况介词后不能用。Wedependo
5、nthelandfromwhichwegetourfood.Wedependonthelandthat/whichwegetourfoodfrom.只能用that作为定语从句的关系代词的情况a)在therebe句型中，只用that，不用which。b)在不定代词，如：anything,nothing,theone,all,much,few,any,little等作先行词时，只用that，不用which。c)先行词有theonly,thevery修饰时，只用that。d)先行词为序数词、数词、形容词最高级时，只用that。.e)先行词既有人，
6、又有物时。4.用关系代词和关系副词填空。1.Thisisthestory____youareinterestedin.2.Theboy____losthisbikeisverysad.3.Theroom_____westayedinlasttimewasmuchworsethanthisone.4.Myauntworksinauniversity____hasoverfivethousandstudents.5.Lucycan’teatfood____haschocolateinit.6.Herememberedeverything____
7、hismothersaid.7.Whoistheman____isreadingthenewspaper.8.Doyouknowthegirl____hairisred?9.All____youhavedonehasnothingtodowithyourlessons.10.Helivesinthevillageinfrontof____thereisariver.11.Lucyisthemostbeautifulgirl____Ihaveeverseen.12.Icanrememberthepeopleandsomepictures___
8、_Isawintheroom.13.Theone___costathousanddollarsislost.14.Thisistheplace___heworks.15.This
