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1、定语从句定语从句定语从句:在复合句中修饰名词或代词的句子.(Attributiveclause)Maryisabeautifulgirl.Maryisagirlwhohaslonghair.形容词作定语句子作定语,修饰girl,叫做定语从句先行词:被定语从句修饰的词叫先行词.1.Themanisaworker.2.Themanisspeakingatthemeeting.合并句子:Themanwhoisspeakingatthemeetingisaworker.Maryisagirl.Maryhaslonghair.合并为一个句子Maryi
2、sagirlwhohaslonghair.先行词关系词定语从句Maryisagirlwhohaslonghair.关系代词关系副词which,who,whom,whose,thatwhere,when,why定语从句关系代词的用法:who指人，在定语从句中作主语。ThemanwhospokeatthemeetingisfromHongKong.会上发言的人来自香港。Thenumberofpeoplewholosthomesreached250，000.失去家园的人数多达250000人。Themanwhoisspeakingatthemeet
3、ingisaworker.Themanisaworker.Themanisspeakingatthemeeting.分解作主语whom指人，在定语从句中作宾语，常可省略。Thelady(who/whom)heistalkingtoishisfriend.和他正在交谈的女士是他的朋友。Theathlete(who/whom)IlikedmostwasCarlLewis.我最喜欢的运动员是卡尔·路易斯。Thewomanwhomtheywantedtovisitisateacher.Thewomanisateacher.Theywantedtov
4、isitthewoman.分解作宾语关系代词whom在口语中或非正式文体中常可用who来代替，也可以省略。which指物，在定语从句中作主语或宾语，作宾语时常省略。Thebuildingwhichisbeingbuiltwillbeusedasahospital.正在建设中的这幢建筑将被用作医院。(主语)Idon'tlikethestorywhichhetoldmeafewdaysago.我不喜欢几天前他给我讲的那个故事。(宾语)that可以指人，也可以指物。作宾语时，常省略。指人时，相当于who或whom；指物时，相当于which。The
5、womanathletethat(who/whom)Ireadaboutinthenewspaperhasjustwonagoldmedal.我在报纸上看到过的那位女运动员刚刚获得了一枚金牌。(指人，作宾语)Tomatoisausefulvegetablethat(which)isgoodforhealth.西红柿是一种对健康有益的蔬菜。(指物，作主语)注意:关系代词作动词宾语时可省略.Thewoman(whom/that)theywantedtovisitisateacher.whose可以指人，也可以指物，在定语从句中作定语。Ivisi
6、tedascientistwhosenameisknownallovertheworld.我拜访了一位世界知名的科学家。(指人)Mr.Greenlivesinahousewhoseroofisred.格林先生住在一座红屋顶的房子里。(指物)Iknowthegirlwhosemotherisateacher.分解Iknowthegirl.Thegirl’smotherisateacher.作定语下列情况只能用that序数词/形容词最高级修饰先行词时The first American moviethatI watched was the Ti
7、tanic.TomisthecleverestboythatIhaveeverknown.当先行词被the very, the only, the first / last等修饰时She is the only personthatunderstands me.WhowasitthatwontheWorldCupin1982?everything, anything, nothing , all, none, few, little, some等不定代词作先行词时或当先行词被every, any, all, some, no, little
8、, few, much等词修饰时Everythingthatwesawinthisfilmwastrue.当先行词既有人又有物时Theyaretalkingabouttheman
