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1、高考资源网（ks5u.com）您身边的高考专家定语从句I.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.被修饰的名词或代词叫做先行词,定语从句一般放在先行词的后面.II.定语从句起了形容词的作用，在句中修饰一个名词或代词。被修饰的词叫做先行词，引导定语从句的词叫关系词，他的作用一是放在先行词与定语从句中间起了连接作用，二是在从句中担当一个成分，并与先行词保持数的一致。关系词先行词从句成分例句备注关系代词who人Doyouknowthemanwhoistalkingwithyourmothe
2、r?whom,which和that在从句中做宾语时，常可以省略，但介词提前时后面关系代词不能省略，也不可以用thatwhom宾语Mr.SmithisthepersonwithwhomIamworking.Theboy(whom)sheloveddiedinthewar..whoseIlikethosebookswhosetopicsareabouthistory.(whose+n=)Theboywhosefatherworksabroadismydeskmate.that主语，宾语Aplaneisama
3、chinethatcanfly.Sheisthepopstar(that)Iwanttoseeverymuch.which物Thebook(which)Igaveyouwasworth$10.Thepicturewhichwasabouttheaccidentwasterrible.as人或物主语，宾语Heissuchapersonasisrespectedbyallofus.ThisisthesamepenasIlostyesterday.as做宾语一般不省略4www.ks5u.com版权所有@高考资
4、源网高考资源网（ks5u.com）您身边的高考专家关系副词when时间状语Iwillneverforgetthedaywhenwemetthere.可用onwhichwhere地点ThisisthehousewhereIwasborn.可用inwhichwhy原因状语Ican’timaginethereasonwhyheturneddownmyoffer.可用forwhichIII.that与which,who,whom的用法区别情况用法说明例句只用that的情况1.先行词为all,everything
5、,anything,nothing,little,much,等不定代词时2.先行词被all,any,every,each,much,little,no,some,few等修饰时3.先行词有形容词最高级和序数词修饰时4.先行词既指人又指物时5.先行词被theonly,thevery,thesame,thelast修饰时1.Hetoldmeeverythingthatheknows.2.Allthebooksthatyouofferedhasbeengivenout.3.Thisisthebestfilmt
6、hatIhaveeverread.4.Wetalkedaboutthepersonsandthingsthatweremembered.5.HeistheonlymanthatIwanttosee.只用which,who,whom的情况1.在非限制性定语从句中，只能用which指代物，用who/whom指人2.在由“介词+关系代词”引导的定语从句中，只能用which指物，whom指人。3.先行词本身是that时，关系词用which,先行词为those,one,he时多用1.Hehasason,whoha
7、sgoneabroadforfurtherstudy.2.Ilikethepersontowhomtheteacheristalking.4www.ks5u.com版权所有@高考资源网高考资源网（ks5u.com）您身边的高考专家who。3.Thosewhorespectothersareusuallyrespectedbyothers.IV.as、which和that的区别从句区别例句限制性定语从句中名词前有such和thesame修饰时，关系代词用as,不能用whichHeisnotsuchafoo
8、lashelooks.Don’treadsuchbooksasyoucan’tunderstand.非限制性定语从句中as和which都可以指代前面整个主句。如果有“正如，象”的含义，并可以放在主句前，也可以放在后面，那么用as；而which引导的从句只能放主句后，并无“正如”的意思。Theywonthegame,aswehadexpected.Theywonthegame,whichwehadn’texpected.Asiswellkno
