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1、九年级英语定语从句讲解及习题一.定语从句的功用和结构。定义：在复合句中作定语，修饰主句中的某一名词或代词的从句，叫做定语从句。在复合句中，修饰某一名词或代词的从句叫做定语从句（以下简称定从）。被定语从句修饰的词叫做先行词。定从必须放在先行词之后。引导定从的关联词有关系代词that,which,who,whom,whose和关系副词when,where,why。含定从的复合句的基本结构为：先行词+关系词+定从。二.关系代词和关系副词的功用：关系代词和关系副词用来引导定从，在先行词和定从之间起纽带作用，使二者联系起来。关系代词和关系副词又在定从中充当一个成分
2、。关系代词做主语，宾语，定语,关系副词可作状语。1.作主语：关系代词在定从中作主语时，从句的谓语动词的人称和数须和先行词一致。Idon'tlikepeoplewhotalkmuchbutdolittle・2・作宾语：SheisthepersonthatImetattheschoolgateyesterday.3.作定语：关系代词whose在定从中作定语用。例如：Thegirlwhosefatherisateacherstudiesveryhard・4.作状语：ThisisthehousewhereIwasborn被定语从句所修饰的词叫先行词，位于从句之前
3、。定语从句有关系代词that、which>who、whose、whom和关系副词when、where>why引导.定语从句的基本结构为：先行词+关系代/副词+句子Doyouknowtheboywhoiswearingabluejacket?Theskirtthat/whichismadeofsilkisveryexpensive・Ican，taffordit.Thenumberofthepeoplewho/thatowncarsisincreasing・Thehousethat（which>/）thefamouspersononcelivedinisve
4、ryoldnow・考点1.关系代词：that,which,who,whom,whose关系副词：when,where,why.a.that—既可指人，也可指物，作主语，不能省略；作宾语，可以省略；不引导非限定性定语从句TherearelotsofthingsIneedtopreparebeforethetrip.A.whoB.thatC.whomD.whose（答案:B）b.which—指物，作主语，不能省略；作宾语，可以省略.可引导非限定性定语从句。ThisisthedictionaryMumgavemeformybirthday.A.whichB.w
5、hatC.whoseD.whom（答案:A）Sorry,wedon'thavethecoatyouneed・A.whatB.whoC.whomD.which（答案:D）a.Who-般指人，作主语，不能省略；作宾语，可以省略,（常用whom）Jamieisayoungcookwantstoimproveschooldinners・A.whoB.whoseC.whomD.which（答案:A）b.whose作定语，表示所属关系。Iliketheteacherclassesareveryinterestingandcreative.A.whichB.whoC.
6、whatD.whose（答案:D）c.when作时间状语:When=介词+whichShewillneverforgetthedaywhen（=onwhich）shewasmarried・d.where作地点状语where=介词+whichIwanttoknowtheplacewhere（=inwhich）Iwasborn.e.why作原因状语，其先行词常常是thereason,why=forwhichThatisthereasonwhy（=forwhich）Vmlate.1.当关系代词在定语从句中作主语时，定语从句的谓语动词形式由先行词定。1・Ipre
7、fershoesthatarecool.1.1likeapizzathatisreallydelicious.3・有时只能用that,不用which,常见的情况有六种：1）・当先行词是all,any,few,little,none,anything,everything,nothing，或被它们修饰时。That'sallthatIknow.IsthereanythingthatIcandoforyou?2)•当先行词被形容词最高级或序数词修饰ThatisthemostinterestingbookthatIhaveeverread・3)•当先行词有the
8、very,theonly,thesame等修饰时。That'stheonlyth
