人教版初中英语九年级上册单元语法小专题[13]-课件.ppt

单元语法小专题(GrammarFocus)语法精讲

定语从句1.定语从句的含义在复合句中，修饰某一名词或代词的从句叫定语从句。被修饰的名词或代词，叫先行词。从句放在所修饰词(即先行词)之后，由关系代词或关系副词引导。2.定语从句的引导词定语从句的引导词可分为关系代词that，which，who(宾格whom，所有格whose)和关系副词where，when，why等。我们先就关系代词作重点讲解。3.关系代词的作用关系代词who，whom，whose，which，that在定语从句中的作用见下表:

(1)whowho指人，在定语从句中作主语。如:TheboywhospeaksEnglishverywellisfromAmerica.那个英语说得很好的男孩来自美国。小小诊所:当关系代词在从句中作主语时，从句的谓语动词要与先行词保持主谓一致。如:Heisoneoftheboyswholikeplayingbasketball.他是喜欢打篮球的男孩之一。(2)whomwhom指人，在定语从句中作宾语，常可省略。如:Thelady(who/whom)heistalkingtoishisgirlfriend.正在和他交谈的那位女士是他的女友。

(3)whichwhich指物，在定语从句中作主语或宾语，作宾语时常省略。如:Thebuildingwhichisbeingbuiltwillbeusedasahospital.正在建设的这幢大楼将用作医院。(4)thatthat既可以指人，也可以指物。指人时，相当于who或whom；指物时，相当于which。that作宾语时，常省略。如:Tomatoisavegetablethat/whichisgoodforhealth.西红柿是一种对健康有益的蔬菜。(指物，作主语)Thewomanathlete(that/who/whom)Ireadaboutinthenewspaperhasjustwonagoldmedal.我在报纸上看到的那位女运动员刚刚获得了一枚金牌。(指人，作宾语)

(5)whosewhose通常指人，也可以指物，在定语从句中作定语。如:Mr.Greenlivesinahousewhoseroofisred.格林先生住在一幢红屋顶的房子里。(指物)语法精练Ⅰ.用who，whose，which或that填空。1.Aclockisamachine___________tellspeoplethetime.2.Thepandaisakindofanimal____________canbefoundonlyinChina.3.April1stistheday____________iscalledFoolsDayintheWest.that/whichthat/whichwhich/that

4.Whereisthewoman________watchwasstolenyesterday?5.Thewoman__________________youvisitedlastweekisafamouswriter.Ⅱ.把下列简单句改为定语从句，每空一词。6.Illneverforgetthefarm.Ivisiteditin2003.Illneverforgetthefarm____________________________in2003.7.Thebuildingisamiddleschool.Itstandsnearthepostoffice.Thebuilding______________________nearthepostoffice________amiddleschool.whosewho/whom/thatthat/whichIvisitedthat/whichstandsis

8.ThemanteachesusEnglish.HecomesfromHainan.Theman________________________________________comesfromHainan.9.Thebookisinteresting.Youlentittomeyesterday.Thebook_________________________