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1、定语从句定语从句概念:在复合句中修饰名词或代词的句子.(Attributiveclause)Maryisabeautifulgirl.Maryisagirlwhoisbeautiful.形容词作定语句子作定语,修饰girl,叫做定语从句Maryisagirl.Maryhaslonghair.合并为一个句子Maryisagirlwhohaslonghair.Thebookisaboutfilms.Thebookisonthetable.合并为一个句子Thebookwhichisonthetableisaboutfilms.
2、Thebookwhichisaboutfilmsisonthetable.1.Themanisafarmer.2.Themanisspeakingatthemeeting.合并句子:Themanwhoisspeakingatthemeetingisafarmer.先行词关系词定语从句Maryisagirlwhohaslonghair.关系代词which,who,that定语从句的用法:当先行词是物时,用which或that引导.Thesearethetreeswhichwereplantedlastyear.当先行词是人
3、时,用who,whom,that引导.who,whom,whose,that用法区别.who作定语从句的主语或宾语.Themanwhoisspeakingatthemeetingisaworker.Themanisaworker.Themanisspeakingatthemeeting.分解作主语Whom作定语从句的宾语Thewomanwhomtheywantedtovisitisateacher.Thewomanisateacher.Theywantedtovisitthewoman.分解作宾语that可以作定语从句的
4、主语和宾语.注意:关系代词作动词宾语时可省略.Thewoman(whom/that)theywantedtovisitisateacher.Haveatry指出关系代词（副词）在定语从句中的成份：1.ThemanwhocametoourschoolisMr.Wang.()2.Thegirl(whom)ImetisLucy.()3.Ilikethebook(which)youboughtyesterday.()主语宾语宾语一、定语从句中主谓一致的问题：当关系词在定语从句中作主语是，从句的谓语必须与先行词保持一致。1.Tom
5、isoneoftheboyswho（be)fromtheUSA.2.Tomistheonlyboythat(be)fromtheUSA.下列情况只能用that1.当序数词或形容词最高级修饰先行词时。eg.TomisthecleverestboythatIhaveeverknown.2.当先行词是不定代词时的little,few,much,any,all,anything,something,nothing,none,theone,everything,等不定代词时。5.当先行词同时包括人或物时。eg.Weoftental
6、kaboutthepeopleandthethingsthatweareinterestedin.我们常常谈论我们感兴趣的人或事。6.当主句是who或which时。eg.Whoisthegirlthathasblacklonghair?eg.Whichisthepenthatyoubought?7.当先行词作主句的表语时。eg.Chinaisnotthecountrythatusedto.中国不再是过去那样的国家。eg.It’sasunnydaythatwearelongingfor.这就是我们所渴望的晴天。8.当先行词
7、被theonly,thevery,thesame,thelast等修饰时。eg.ThisistheverybeautifulgirlthatI’mlookingfor.这正是我一直在寻找的漂亮女孩.eg.That’stheonlythingthatIcandonow.eg.YouarethelastpersonthatImeethere.你是我在这儿遇见的最后一个人。Exercise1.Ihaveafriend________likeslisteningtoclassicalmusic.who/thatwhich/tha
8、twhose3.Theman______legbrokeinamatchusedtobeafootballplayer.2.YesterdayEmilywaswearingthenewdress__________Igaveher.4.Myparentsliveinahouse__________ismorethan
