Unit+4+Friends+forever+Grammar定语从句课件 高中英语外研版必修第一册.pptxVIP

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Grammar:Attributiveclauses(1)

Attributives定语Findouttheattributivesinthesentences.Iforgotsomethingimportant.Wejusthadasportsmeeting.Maryfellintotheswimmingpool.Ilovetowatchfallingleavesdancinginthewind.Sheunknowinglyboughtastolencar.Heisthirstyforachancetowintherace.Imetamanwhowaslookingforhisdog.Whatconclusionscanyoudraw?定语修饰_____或_______。定语可以由_________________________________充当。名词代词形容词、名词、动名词、现在分词、过去分词、不定式、句子定义：定语从句，在主句中充当定语，修饰名词和代词,又称_______从句。形容词性

Comparethesentencesandanswerthequestions(A1,P54).Whydoestheauthorusesentences(a)and(b)insteadof(c)and(d)?功能：避免重复、衔接紧凑、丰富句式。

Attributiveclauses定语从句将以下两个简单句组合为复合句（主句+从句）。Thedigitalagealsoenablesustofindpeople.Peopleshareourinterests.Thedigitalagealsoenablesustofindpeople主句从句whoshareourinterests.被定语从句修饰的词叫先行词，常出现在定语从句前。定语从句由关系词引导。

Attributiveclauses定语从句关系词三大功能：连接主句和从句、替代先行词、在从句中做成分。关系词包括关系代词（who,that,which,whom,whose,as）和关系副词。功能上相当于代词：he,him,his在定语从句中可以做主语、宾语、定语、表语

Relativepronouns关系代词勾画出定语从句，并判断关系代词在从句中做什么成分。Theboyswhoareplantingtreesonthehillaremiddleschoolstudents.Haveyouseenthebooksthatheboughtyesterday?Thestudentwhomwevisitedyesterdayisafamousartist.Helikestousethedictionarywhichwaspublishedin1986.Helivesintheroomwhosewindowsfacesouth.who在定语从句中做主语that在定语从句中做宾语whom在定语从句中做宾语which在定语从句中做主语whose在定语从句中做定语

关系代词的选用：一看指代，二看成分一看指代：指人：that,whose,who,whom, 指物：that,whose,which二看成分：做定语：whose做主语：who,which,that做宾语/表语：whowhich,that,whom总结：which指物，who/whom指人，其余人物均可；whose只做定语，whom只做宾语，其余主语、宾语皆可。

that/whichwhosewho/thatwhich/that(whom/who)Completethepostwiththat,which,who,whomorwhose(A3,P55).当关系代词在定语从句中做宾语/表语时，关系代词可以省略。

Rewritetheunderlinedsentenceswiththat,which,who,whom,orwhose.