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1、初三英语定语从句专项练习 定语从句 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。被定语从句所修饰的词叫先行词，位于从句之前。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/th
2、atowncarsisincreasing.thehousethat(which、/)thefamouspersononcelivedinisveryoldnow.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Therearelotsofthings________Ineedtopreparebeforethetrip.（10河北） a.who b.that c.whom d.whose(答案:b
3、)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。Thisisthedictionary________mumgavemeformybirthday.(08河北)a.which b.what c.whose d.whom(答案：a)Sorry,wedon’thavethecoat________youneed.(09河北)a.what b.who c.whom d.which(答案：d)c.who－般指人，作主语，不能省略；作宾语，可以省略,（常用whom）Jamieisayoungcook________wa
4、ntstoimproveschooldinners.(10天津)a.who b.whose c.whom d.which(答案：a)d.whose作定语,表示所属关系。 iliketheteacher________classesareveryinterestingandcreative.(09兰州)a.which b.who c.what d.whose(答案：d)e.when作时间状语:when=介词+which Shewillneverforgetthedaywhen(=onwhich)shewasmarried.f.where作地点状语
5、 where =介词+which Iwanttoknowtheplacewhere(=inwhich)Iwasborn.g.why作原因状语,其先行词常常是thereason.why=forwhich Thatisthereasonwhy(=forwhich)I’mlate.2.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.Iprefershoesthatarecool. 2Ilikeapizzathatisreallydelicious.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,fe
6、w,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thevery,theonly,thesame等修饰时。That’stheonlythingthatIcandonow. Thesearetheverywordsthatheused.4).当主句以who或whi
7、ch开头时，定语从句的关系词用that,而不用which或who.Whoisthegirlthatspoketoyoujustnow? Whichisthepenthatyoulost?5).先行词同时包括人或物时，关系词用that.themanandhisdogthatIalwaysmeetarestandingbythegate.6).当关系代词在从句中作表语时。Chinaisnot thecountrythatitwas.4.只用which,不用that的情况：1).关系代词前有介词时。thisisthecagethat/whichPollylivesin
8、.=thi
