Unit4EverydayeconomicsUsingLanguage语法课件高中英语选择性 3.pptx

Unit4Period2Grammar

课堂学习attributiveclauses1Lookatthesentencesfromthereadingpassageandanswerthequestions.aThisisaplacewhererosesgrowwild.bThebiggestchallengeattheinitialphasewastopersuadepeopletoworkforme,whichwastotallyoutsidemyexperience.

1Whatdoes“where”refertoinsentence(a)?“Where”insentence(a)refersto“aplace”.2Whatdoes“which”refertoinsentence(b)?“Which”insentence(b)refersto“topersuadepeopletoworkforme”.3Whichsentencecontainsaclausewithessentialinformationaboutthesubject?4Whichsentencecontainsaclausewithextrainformationaboutthesubject?Sentence(a).Sentence(b).

Nowlookformoresentenceswithattributiveclausesinthereadingpassage.Shecouldn’t,however,hidethelineofsweatrunningdownherforehead,whichwascausedpartlybytheheatofthetelevisionstudio,butmorebyfearofthefourpeopleseatedinfrontofher.Zhangthereforedecidedtoreturntoherhometownandgrowroses,whichsurprisedmanypeople.Assomeonewhogrowupinthecountry,Zhangalreadyknewaboutgrowingplants.However,likeanyentrepreneurwhowasjuststartingout,shestillhadalottolearn.Seeingherpeerswhoalsodreamofsuccessandindependence,Zhanghasmixedfeelings.Foryoungpeoplewhohavelittlelifeexperience,thatcanbeachallenge.

【语法讲解】(1)在复合句中作定语，修饰名词、代词等的从句叫定语从句。(2)在复合句中，被定语从句修饰的名词、代词等，叫做先行词。先行词一般出现在定语从句之前。有时先行词是整个句子。e.g.Theysentmychildtotheschooleverymorning,whichIconsideredagreathelptome.(3)引导定语从句的词被称为关系词。定语从句

分类关系词指代对象在从句中的作用关系代词who指人作主语、宾语、表语whom指人作宾语whose指人或物作定语that指人或物作主语、表语或宾语which指物作主语、宾语、表语、定语as指人或物作主语、宾语、表语关系副词when指时间作时间状语where指地点作地点状语why指原因作原因状语定语从句中的关系词

关系词的作用引导定语从句代替先行词在定语从句中担当一个成分关系词指代先行词在定语从句中充当成分，因此在定语从句中不能再重复先行词或指先行词的代词。注意

定语从句的分类限制性定语从句非限制性定语从句和先行词的关系密切，不用逗号分开;可用关系词that引导;可以省略关系词（关系词作宾语时）作宾语时，可用who或that替代whom只可修饰先行词，不可以修饰主句或主句的一部分翻译成“……的”和先行词的关系不密切（是补充说明），一般使用逗号分开不可用关系词that来引导关系词作宾语不可省略不可用who替代whom修饰整个主