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1、定语从句Unit6IlikemusicthatIcandanceto教学目标1.了解什么是定语从句2.了解什么是先行词？3.引导定语从句的关系词分为关系代词和关系副词。4.关系代词的使用，由先行词确定。当先行词为：5.关系代词在从句中作主语时，从句动词的表达形式应与先行词的单、复数表持一致。6.①先行词表人时，通常哪5种情况之下只能用关系代词who。②不论先行词表人还是表物哪7种情况下只能用that主格：who,that宾格：whom,that所有格：whose宾格：that,which主格：,that，which①表人②表物1.Themanisawor
2、ker.2.Themanisspeakingatthemeeting.合并句子,思考：→Themanwhoisspeakingatthemeetingisaworker.观察看出：这两个分句含相同名词，且第二个分句表特征，把两个句子合并成一个句子时，将第二个分句的名词用一个合适的关系词替代。关系词引导的这个分句放在另一句子名词后修饰这个名词。带关系词的这个分句在语法上叫做什么名称？在会上发言的这个人是一个工人。定语从句概念:在复合句中放在名词或代词之后修饰名词或代词的句子叫作定语从句.(Attributiveclause)Maryisabeautiful
3、girl.Maryisagirlwhohaslonghair.形容词作定语—前置关系词代词who引导的句子作定语,修饰girl,whohaslonghair叫做定语从句。含被修饰词girl的句子叫主句。整个句子称作含主、从句的复合句，简称复句。定语从句作定语—后置先行词关系词定语从句Maryisagirlwhoisalittleshy.关系代词关系副词who,whom,whose,that，whichwhere,when,whyMaryisagirl.Maryisalittleshy.合并为一个句子who作定语从句的主语或宾语.Themanwho/tha
4、tisspeakingatthemeetingisaworker.Themanisaworker.Themanisspeakingatthemeeting.分解作主语1.当先行词是人时,用who,whom,whose,that引导.定语从句的用法:Whom作定语从句的宾语Thewomanwhom/thattheywantedtovisitisateacher.Thewomanisateacher.Theywantedtovisitthewoman.分解作宾语whose作定语从句的定语.Iknowthegirlwhosemotherisateacher.分
5、解Iknowthegirl.Thegirl’smotherisateacher.作定语定语从句的用法:2.当先行词表物时,关系词用that或which,Eg：1.Thesearetrees.Theywereplantedlastyear.→Thesearetreesthat/whichwereplantedlastyear.2.Ilikepopmusic.Popmusicisbeatiful.→Ilikepopmusicthat/whichisbeautiful.注意：关系代词在定语从句中充当主语时，从句的谓语动词的单复数应与先行词保持一致。定语从句的用
6、法:●当先行词表物时,关系词用that或whichEg：1.Thesearetrees.Iplantedthesetreeslastyear.→Thesearetrees(that/which)Iplantedlastyear.2.Ilikepopmusic.Icandanceto.→Ilikepopmusic(that/which)Icandanceto.注意：关系代词在定语从句中充当宾时，关系代词可以省略掉下列情况只能用that①序数词或最形容词高级修饰先行词时TomisthecleverestboythatIhaveeverknown.②all,e
7、verything,nobody等不定代词作先行词时Everythingthatwesawinthisfilmwastrue.★先行词表人时，下列5种情形下关系代词只用who，不用that.①先行词是one,ones,anyone.Theoneswhoflatter(奉承）medon’tpleaseme.②先行词是thoseEg:ThosewhowanttogototheGreatWallsignuphere③当先行词有较长的后置定语时Eg:Imetaforeignerinthestreetyesterdaywhocouldaskmequestionsi
8、nChinese.④一个句子带有两个定语从句，其中一个定语从句的关系代词是tha
