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1、定语从句1什么是定语？定语是对名词或代词起修饰、限定作用的单词、短语或句子，汉语中常用“……的”表示。单词作定语一般前置,句子或短语作定语则必须后置.句子作定语则叫定语从句.Eg:ablueseaahandsomeboyHegavemeabasketfullofeggs.Let’sgosomewherequiet.2定语从句：修饰名词或代词的从句。Thecarwhichmyunclehadjustboughtwasdestroyedintheearthquake.HeisthemanwhomIsawyesterday.先行词：被定
2、语从句修饰的词。关系词/连接词：连接主句和定语从句的连词。引导定语从句的关系词，一定要在从句中充当成分。关系词分关系代词和关系副词3一、关系代词关系代词：who,whom,that，which,whose。关系代词所代替的先行词是人或物的名词或代词，并在句中充当主语、宾语、定语等成分。1）指人：who,whom,thatEg：Ishethemanwho/thatwantstoseeyou?（who/that在从句中作主语）Heisthemanwhom/thatIsawyesterday.（whom/that在从句中作宾语）4一、关
3、系代词2）指物：that，whichEg：Thisisthepen(which/that)heboughtyesterday.（which/that在句中作主语）Thepackage(which/that)youarecarryingisabouttocomeunwrapped.（which/that在句中作宾语）5一、关系代词3）指人或物：whose=sb's/sth's(只用作定语,若指物，它还可以同ofwhich互换）Eg:Theyrushedovertohelpthemanwhosecarhadbrokendown.Ple
4、asepassmethebookwhose(ofwhich)coverisgreen.6指人指物主语宾语thatwhichwhowhom关系代词的用法关系代词在从句中可以：何时可以省略？7指人指物主语宾语thatwhichwhowhom√√√√√√√√√√√√××××何时可以省略？做宾语时可以省略8定语从句使用中的特殊情况二、不用that的情况：1.介词后禁用关系词that。Iheardoftheman,aboutwhomhetalked.2.非限制性定语从句。Shewaslateagain,whichmademeunhappy.
5、aboutthat(X)that(X)9定语从句使用中的特殊情况一、只能用that的情况：1.先行词既有物又有人时。Hespokeofthepersonsandthingsthathehadseenabroad.2.先行词是something,anything,all,nothing等不定代词时。IsthereanythingthatIcandoforyou?3.当先行词被序数词或形容词最高级修饰时或者被,all,thevery,theonly,thejust修饰时。ThisisthebestfilmthatIhaveeverse
6、en.10二、关系副词关系副词：when，where，why（做状语）1.when先行词为时间名词作时间状语指时间,在从句中表示“在...时”、=in/on...+which113.why先行词为reason作原因状语指原因,在从句中表示"因为...原因“=forwhich2.where先行词为地点名词(situation,business,case,point,surroundings,environment,scene)作地点状语指地点,在从句中表示“在...地点=in/on...+which二、关系副词12Istillrem
7、embertheday..=when(1)(2)onthedayIcamehere=onwhich我仍然记得（我来到这里的）那天。(1)我仍然记得这天。(2)在这天我来到这里。关系副词：whenIstillrememberthedayonwhich/whenIcamehere.13Thisisthehouse.lastyear.=inwhich=whereIlivedinthehouse(1)(2)(1)就是这所房子。(2)我去年在这所房子住过。Thisisthehouseinwhich/whereIlivedlastyear.关
8、系副词：where就是这所（我去年住过的）房子。14Hegaveareason.=forwhich=why(1)(2)forthereason.peoplelikemusic(1)他给了一个原因(2)因为这个原因人们喜欢音乐。他给了一个（人们喜欢音
