定语从句及相关术语 1

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定语从句及相关术语1.定语从句:定语从句是由关系代词或关系副词引导的从句,其作用是作定语修饰主句的某个名词性成分,相当于形容词,所以又称为形容词性从句,一般紧跟在它所修饰的先行词后面。2.关系词:引导定语从句的关联词称为关系词,关系词有关系代词和关系副词。关系代词有that,which,who,whom,whose,as等;关系副词有where,when,why等。关系词常有3个作用:1,引导定语从句。2,代替先行词。3,在定语从句中担当一个成分。注:关系代词有主语.宾语之分。一般whom作为宾语。4.定语:定语用来限定、修饰名词或代词的,是对名词或代词起修饰、目录1限定性定语从句2非限定性定语从句3关系代词引导的…4注意5关系副词引导的…6判断关系代词与…展开目录1限定性定语从句2非限定性定语从句3关系代词引导的…4注意5关系副词引导的…6判断关系代词与…7介词+关系词8先行词和关系词…9as,which引导的…10关系代词that的…11难点分析12三个特殊关系代…收起编辑本段限定性定语从句一、关系代词1.that既可代表事物也可代表人,which代表事物;它们在从句中作主语或宾语,that在从句中作宾语时常可省略关系词,which在从句中作宾语也可以省略。[eg:thisisthebook(which)youwant。]而且,如果which在从句中作“不及物动词+介词”的介词的宾语,注意介词不要丢掉,而且介词总是放在关系代词which的前边,但有的则放在它原来的位置2.which作宾语时,根据先行词与定语从句之间的语义关系,先行词与which之间的介词不能丢3.代表物时多用which,但在带有下列词的句子中用that而不用which,这些词包括当先行词是anything,everything,nothing,none等不定代词时,或者是由every,any,all,some,no,little,few,much等修饰时等,这时的that常被省略还有先行词前有序数词或形容词最高级修饰时,或先行词就是序数词或最高级时.以及先行词中既有人又有物时.还有句中前面有which时,都只能用that4.who和whom引导的从句用来修饰人,分别作从句中的主语和宾语,whom作宾语时,要注意它可以作动词的宾语也可以作介词的宾语5.whose是关系代词,修饰名词作定语,相当于所修饰成分的前置所有格.它引导的从句可以修饰人和物,当它引导的从句修饰物体时,可以与ofwhich调换,表达的意思一样。二、关系副词关系副词=介词+关系代词why=forwhichwhere=in/at/on/...which(介词同先行词搭配)when=during/on/in/...which(介词同先行词搭配)1.where是关系副词,用来表示地点的定语从句。2.when引导定语从句表示时间[注]值得一提的是,表示时间“time一词的定语从句只用when引导,有时不用任何关系代词,当然也不用that引导。BythetimeyouarriveinLondon,wewillhavestayedtherefortwoweeks.IstillrememberthefirsttimeImether.Eachtimehegoestobusinesstrip,hebringsalotoflivingnecessities,suchastowels,soap,toothbrushetc。3.whose是关系代词,修饰名词作定语,相当于所修饰成分的前置所有格.它引导的从句可以修饰人和物,当它引导的从句修饰物体时,可以与ofwhich调换,表达的意思一样。4.当从句的逻辑主语是some,any,no,somebody,anybody,nobody,something,anything,everything或nothing时,常用thereis来引导Thereissomebodyherewhowantstospeaktoyou.这里有人要和你说话。编辑本段非限定性定语从句非限定性定语从句的作用是对所修饰的成分作进一步说明,通常是引导词和先行词之间用逗号隔开,将从句拿掉后其他部分仍可成立1.which引导的非限定性定语从句来说明前面整个句子的情况或主句的某一部分2.当先行词是专有名词或物主代词和指示代词所修饰时,其后的定语从句通常是非限制性的,例如:CharlesSmith,whowasmyformerteacher,retiredlastyear.查理·史密斯去年退休了,他曾经是我的老师。Myhouse,whichIboughtlastyear,hasgotalovelygarden.我去年买的的那幢房子带着个漂亮的花园。Thisnovel,whichIhavereadthreetimes,isverytouching.这本小说很动人,我已经读了三遍。3.非限制性定语从句还能将整个主句作为先行词,对其进行修饰,这时从句谓语动词要用第三人称单数,例如:HeseemsnottohavegraspedwhatImeant,whichgreatlyupsetsme.他似乎没抓住我的意思,这使我心烦。Liquidwaterchangestovapor,whichiscalledevaporation.液态水变为蒸汽,这就叫做蒸发。4.有时as也可用作关系代词5.在非限定性定语从句中,不能用关系副词why和关系代词that,而用who,whom代表人,用which,whose代表事物.;编辑本段关系代词引导的定语从句1.who指人在从句中做主语(1)TheboyswhoareplayingfootballarefromClassOne.(2)YesterdayIhelpedanoldmanwholosthisway.2.whom指人,在定语从句中充当宾语,常可省略。(注:who和whom已无太大区别,可以通用。)(1)Mr.Liuistheperson(whom)youtalkedaboutonthebus.(2)Mr.LingisjusttheboywhomIwanttosee.(3)Themanwho/whomyoumetjustnowismyfriend.注意:关系代词whom在口语和非正式语体中常用who代替,可省略。如果在从句中做宾语,就用whom或who.比如:Heisthemanwhom/whoItalkto.如果是在从句中作主语就只能用who.比如:HeisthemanwhohasanEnglishbook.3.which指物,在定语从句中做主语或者宾语,做宾语时可省略(1)Footballisagamewhichislikedbymostboys.(2)Thisisthepen(which)heboughtyesterday.4.that指人时,相当于who或者whom;指物时,相当于which。在定语从句中做主语或者宾语,做宾语时可省略。(5)Thenumberofthepeoplethat/whocometovisitthecityeachyearrisesonemillion.(6)Whereisthemanthat/whomIsawthismorning?5.whose通常指人,也可指物,在定语从句中做定语(1)Hehasafriendwhosefatherisadoctor.(2)Ioncelivedinahousewhoseroofhasfallenin.whose指物时,常用以下结构来代替(3)Theclassroomwhosedoorisbrokenwillsoonberepaired.(4)Theclassroomthedoorofwhichisbrokenwillsoonberepaired.(5)Doyoulikethebookwhosecolorisyellow?(6)Doyoulikethebookthecolorofwhichisyellow?编辑本段注意介词+关系代词引导的定语从句关系代词在定语从句中做介词宾语时从句常由介词+关系代词引导(1)Theschool(that/which)heoncestudiedinisveryfamous.(2)Theschoolinwhichheoncestudiedisveryfamous.(3)TomorrowIwillbringhereamagazine(that/which)youaskedfor.(4)TomorrowIwillbringhereamagazineforwhichyouasked.(5)We’llgotohearthefamoussinger(whom/that/who)wehaveoftentalkedabout.(6)We’llgotohearthefamoussingeraboutwhomwehaveoftentalked.注意:1.含有介词的动词短语一般不拆开使用,如:lookfor,lookafter,takecareof等(1)Thisisthewatchwhich/thatIamlookingfor.(T=正确)(2)ThisisthewatchforwhichIamlooking.(F=错误)2.若介词放在关系代词前,关系代词指人时用whom,不可用who或者that;指物时用which,不能用that;关系代词是所有格时用whose(1)Themanwithwhomyoutalkedismyfriend.(T)(2)Themanwiththatyoutalkedismyfriend.(F)(3)TheplaneinwhichweflewtoCanadaisverycomfortable.(T)(4)TheplaneinthatweflewintoCanadaisverycomfortable.(F)3.“介词+关系代词”前可有some,any,none,both,all,neither,most,each,few等代词或者数词(1)Helovedhisparentsdeeply,bothofwhomareverykindtohim.(2)Inthebaskettherearequitemanyapples,someofwhichhavegonebad.(3)Therearefortystudentsinourclassinall,mostofwhomarefrombigcities.关系代词关系代词(一般情况下)that可用who,whom和which在从句做主语,谓语动词的宾语,但是不能做介词的宾语which指物,在从句中作主语,谓语或宾语;who在从句中作主语;whom在从句中宾语;where在从句中修饰表地点的名词,做地点状语;when在从句中通常修饰表时间的名词,做时间状语;why在从句中做原因状语,先行词通常是reason有时why也可用for+which代替。例:Adoctorisapersonwholooksafterpeople'shealth._______________________________先行词主语谓语宾语|________________________|定语从句修饰先行词编辑本段关系副词引导的定语从句1.when指时间,在定语从句中做时间状语(1)IstillrememberthedaywhenIfirstcametotheschool.(2)Thetimewhenwegottogetherfinallycame.2.where指地点,在定语从句中做地点状语(1)ShanghaiisthecitywhereIwasborn.(2)ThehousewhereIlivedtenyearsagohasbeenpulleddown.3.why指原因,在定语从句中做原因状语(1)Pleasetellmethereasonwhyyoumissedtheplane.(2)Idon’tknowthereasonwhyhe

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