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1、英语定语从句用法总结(完整)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, 绝对没有WHAT;关系副词有where, when, why等。关系词常有3 个作用:连接作用,引导定语从句。代替主句中的先行词,甚至可能是主句中的一部分或者整 个主句。在定语从句中充当一句子成分。注:关系代词有主语、宾语之分。一般whom作

2、为宾语。3、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、限定作用的词、短语(动词不定式短语、动名词短语和分词 短语)或句子,汉语中常用'的表示。主要由形容词担 任,此外,名词,代词,数词,分词,副词,不定式以及介词短 语也可以来担任,也可以由一个句子来担任。单词作定语时通常 放在它所修饰的词之前,作前置定语。短语和从句作定语时则放 在所修饰的词之后,作后置定语。4、先行词:被定语从句修饰的名词、代词称为先行词。编辑本段关系代词引导的定语从句举例关系代词所代替的先行词是人或物的名词或代词,并在从句 中充当主语、宾语、定语等成分。关系代词在定语从句中作主语 时,从句谓语动

3、词的人称和数要和先行词保持一致。1、 who, whom, that这些词代替的先行词是人的名词或代词,who做主语指人, whom作宾语指人,that既可作主语又可作宾语(作宾语可以省 略),可以指人也可以指物。在从句中所起作用如下:(1)Is he the man who/that wants to see you?他就是想见你 的人吗? (who/that在从句中作主语)(2)He is the man whom/ that I saw yesterday他就是我昨 天见的那个人。(whom/that在从句中作宾语)2、Whose用来指人或物(只用作定语,若指物,它还可以同。f whic

4、h互换,指人的 时候也可以用of whom代替)They rushed over to help the man whose car had broken down、那人车坏了,大家都跑过去帮忙。(3)Please pass me the book whose (of which)color is green、请递给我那本绿皮的书。3、 which, that它们所代替的先行词是事物的名词或代词,在从句中可作主 语、宾语等,作宾语时可以省略,例如:(1)A prosperity which / that had never been seen before appears in the cou

5、ntryside、农村出现了前所未有的繁荣。(which / that在句中作主语)(2)The package (which / that)you are carrying is about to come unwrapped. 你拿的 包快散了。(which / that在句中作宾语)4、 asas可以做主语,也可以作宾语,作宾语时可以省略,指人或 者物。编辑本段限定性定语从句一、关系代词(在句中作主语、宾语或定语)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: Thi

6、s is the book (which) you want、2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3、代表物时多用which,但在下列情况中用that而不用 which:a)先行词是 anything, everything, nothing , none 等不定 代词时;b)先行词由 every, any, all, some, no, little, few, much等修饰时,这时的that常被省略;c)先行词前有序数词或形容词最高级修饰时;d)先行词就是序数词或最高级时

7、;e)先行词中既有人又有物时;f)整个句中前面已有which时;g)当先行词为物并作表语时。4、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of which调换,表达的意思一样。二、关系副词(在句中作状语)关系副词二介词+关系代词why=for whichwhere=in/ at/ on/、which (介词同先行词搭配)when=during/ on/ in/、which (

8、介词同先行词搭配)1、where是关系副词,用来表不地点的定语从句。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。By the time you arrived in London, we had stayed there for two weeks.I still remember the first time I met her、Each time he goes to business trip, he brings a lot of living necessities, such

9、as towels, soap, toothbrush etCo3、当从句的逻辑主语是some, any, no, somebody, anybody, nobody, something, anything, everything 或 nothing时,常用there is来引导There is somebody here who wants to speak to you、 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

10、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:Charles Smith, who was my former teacher, retired last year,查理史密斯去年退休了,他曾经是我的老师。My house, which I bought last year, has got a lovely garden,我去年买的的那幢房子带着个漂亮的花园。This novel, which I have read three times, is very touching.这本小说很动人,我已经读了三遍。3、非限制性

11、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:He seems not to have grasped what I meant, which greatly upsets me、他似乎没抓住我的意思,这使我心烦。Liquid water changes to vapor, which is called evaporation.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,如 果需要用why,可用for w

12、hich代替、;p、s: which引导非限定性定语从句其后不可省略成分,as 可以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)The boys who are playing football are from Class One、在踢足球的男孩们是一班的、(2)Yesterday I helped an old man who lost his way、 昨 天,我帮助了一个迷路的老人、2、whom指人在定语从句中充当宾语,常省略。(注:who和whom已无太 大区别,基本可以通用。唯一区别是who可以做主语而whom不可 以。)(1)Mr、 Liu is the pe

13、rson (whom)you talked with on the bus、 刘先生就是在公交车上和你 聊天的那个人、(2)Mr、 Ling is just the boy (whom) I want to see、 凌先生 恰巧就是我想见的那个男孩、(3)The man who/whom you met just now is my friend、 你刚 刚见到的那个人就是我的朋友、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:He is the man whom/who I talk to、他就是那个和我聊天的男人、如果

14、是在从句中作主语就只能用who、比如:He is the man who has an English book、他就是那个有英语书的男人、3、whose通常指人,也可指物在定语从句中做定语。(1)He has a friend whose father is a doctor、(2)I once lived in a house whose roof has fallen in、 whose指物时,常用以下结构来代替(3)The classroom whose door is broken will soon be repaired(4)The classroom the door of w

15、hich is broken will soon be repaired、(5)Do you like the book whose color is yellow?(6)Do you like the book the color of which is yellow?4、which 指物在定语从句中做主语或者宾语,做宾语时可省略。(1)Football is a game which is liked by most boys、 足球 是大多数男孩都喜欢的游戏、(2)This is the pen (which)he bought yesterday这是他昨天刚买的钢笔、5、that指人时

16、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)The number of the people that/who come to visit the city each year rises one million.(6)Where is the man that/whom I saw this morning?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)I still remember the day when I first came to the school、(2)The time when we

17、got together finally came、2、where指地点在定语从句中做地点状语(1)Shanghai is the city where I was born、(2)The house where I lived ten years ago has been pul led down、3、why指原因在定语从句中做原因状语(1)Please tell me the reason why you missed the plane>(2)I don' t know the reason why he looks unhappy today>注意:关系副词引导的从

18、句可以由“介词+关系代词”引导的 从句替换(1)The reason why/ for which he refused the invitationis not clear,(2)From the year when/in which he was going to school hebegan to know what he wanted when he grew up、编辑本段介词和关系代词1)介词后面的关系词不能省略。2) that前不能有介词。3)某些在从句中充当时间,地点或原因状语的"介词+关系 词"结构可以同关系副词when ,where和why互换。This

19、 is the house in which I lived two years ago、This is the house where I lived two years ago、Do you remember the day on which you joined our club?Do you remember the day when you joined our club?This is the reason why he came late、This is the reason for which he came late、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

20、语时从句常由介词+关系代词引导当介词放在关系代词前面时,关系代词只能用whick/whom即 “介词+which/whom"且不能省略。但当介词位于末尾时可用that/which/who/whom作介词的宾语,且可以省略。例如:(1)The school (that/which)he once studied in is very famous、"that/which”可以省 略= The school in which he once studied is veryfamous、"which” 不可省略(2)Tomorrow I will bring here

21、a magazine (that/which)you asked for、= Tomorrow I will bring here a magazine for which you asked、(3)We 11 go to hear the famous singer (whom/that/who)we have often talked about>= We' 11 go to hear the famous singer about whom we have often talked、注意:1、含有介词的动词短语一般不拆开使用,如:look for, look after,

22、take care of 等T This is the watch which/that I am looking for、 (T =正确)F This is the watch for which I am looking、 (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)The man with whom you talked is my friend、 (T)The man with that you talked is my friend、 (F)(2)The plan

23、e in which we flew to Canada is very comfortable(T)The plane in that we flew in to Canada is very comfortable (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)He loved his parents deeply, both of whom are very kind to him、(2)In the basket there are quite many apples, s

24、ome of which have gone bad、(3)There are forty students in our class in all, most of whom are from big cities、 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w

25、hy也可用for+which代替。例:A doctor is a person II who looks after peoples health、主语谓语先行词定语从句修饰先行词判断介词和关系代 词方法一:用关系代词,还是关系副词完全取决于从句中的谓语动词。不及物动词后面无宾语,就必须要求用关系副词或者是介词加关 系代词;而及物动词后接宾语,则要求用关系代词。例如:This is the mountain village where I stayed last year.Ill never forget the days when I worked together with you、判断改

26、错(注:先显示题,再显示答案,横线;用不同的颜 色表示出。)(错)This is the mountain village where I visited last year、(错) I will never forget the days when I spent in the countryside(对) This is the mountain village (which)I visited last year、(对) Ill never forget the days (which)I spent in the countryside、习惯上总把表地点或时间的名词与关系副词where

27、, when联 系在一起。此两题错在关系词的误用上。方法二:准确判断先行词在定语从句中的成分(主、谓、宾、定、 状),也能正确选择出关系代词/关系副词。+ which引导地点状语。而此题中,介词。n用的不对,所以选 Ao关系词的选择依据在从句中所做的成分,先行词在从句中做 主、定、宾语时,选择关系代词(who, whom, that, which, whose);先行词在从句中做状语时,应选择关系副词(where地点状 语,when时间状语,why原因状语)O编辑本段先行词和关系词1)Whoever spits in public will be punished here、 (Whoever

28、 可以用 anyone who 代替)2)The parents will use what they have to send their son to technical school. (what 可以用 all that 代替)但这两句句子已经不是定语从句了,是名词性从句。因为定 语从句一定要有先行词,而名词性从句没有。将“Whoever”、“what” 分别用“Anyone who"、“all that” 代替后,才是定 语从句,先行词分别是“Anyone"、“all”。as,which引导的非限制性定语从句 由as, which引导的非 限定性定语从句,as和w

29、hich可代整个主句,相当于and this或 and thato As 一般放在句首,which在句中。As we know, smoking is harmful to ones health、The sun heats the earth, which is very important toUS、典型例题1) Alice received an invitation from her boss,came as a surprise、A、 itB、 thatC、 whichD、 he答案C。此为非限定性从句,不能用that修饰,而用which、,it 和he都使后句成为句子,两个独立的句

30、子不能单以逗号连接。况 且选he句意不通。2) The weather turned out to be very good, was more than we could expect、A、 whatB、 whichC、 thatD、 it答案B。which可代替句子,用于非限定性定语从句,而what不可。That不能用于非限定性定语从句,it不为连词,使由逗号连接的 两个句子并在一起在英语语法上行不通。3) It rained hard yesterday, prevented me from going to the park、A、 thatB、 whichC、 asD、 it答案B。a

31、s和which在引导非限制性定语从句时,这两个关系代词都 指主句所表达的整个意思,且在定语从句中都可以作主语和宾 语。但不同之处主要有两点:(1) as引导的定语从句可置于句首,而which不可。(2) as代表前面的整个主句并在从句中作主语时,从句中 的谓语必须是系动词;若为行为动词,则从句中的关系代词只能 用 which、 o在本题中,prevent由于是行为动词,所以正确选项应为B。As的用法例1、the sameas; suchas中的as是一种固定结构,和一样。I have got into the same trouble as he (has)、2、as可引导非限制性从句,常带有

32、正如。As we know, smoking is harmful to ones health、As is known, smoking is harmful to ones health.As是关系代词。例1中的as作know的宾语;例2中,它充当从句的主语,谓语动词know要用被动式。一、“as / which”特殊定语从句的先行成分1、形容词或形容词短语作先行成分,具有形容词意义的介词 短语也可以充当先行成分,如:My grandmother , s house was always of great importance to me, as my own is、在一定的语言环境里,有

33、些名词可以具有形容词的性质。这 些名词主要是那些表示人的身份、职业、状态的名词。值得一提 的是,在这些具有形容词性质的名词之后,引导定语从句的关系 代词不能用who / whom、2、动词短语先行成分。这种动词短语既可是限定形式也可是非限定形式。如果是动 态动词短语,它们在从句中就一般有限定或非限定形式的替代动 词do和as / which 一起代替。do可以出现,也可以不出现,但 不能用其它动词代替。3、句子作先行成分。这句子可以是整个主句也可以只是主句中的一个从句。有时 是连续几个句子,有时甚至可以是一个完整的故事。二、“as/which”特殊定语从句在句中的位置由于先行成分的构成成分不同

34、,“as/which”特殊定语从句 在句中的位置有以下几种情况:1、形容词做先行成分时:形容词或形容词短语(含具有形容 词性质的名词)作先行成分,“as / which”特殊定语从句置于 先行成分之后。2、动词短语作先行成分时:动词短语作先行成分时,“as / which”特殊定语从句置于先行成分之后。但是,当从句中含有 表示主观意志的插入成分时,“as”特殊定语从句可以移至句子 之首。3、句子作先行成分时:“as”特殊定语从句的位置较灵 活,可以置于先行成分之前、之中或之后。但如果先行成分是直 接引语,“as”特殊定语从句多在先行成分之前。如果先行成分 是否定句,“as”特殊定语从句与否定词

35、的相对位置不同可以使 它产生不同的意义。由于"as”特殊定语从句具有这一特点,所 以有时它的位置不能随便移动。在非正式的文体里,“which”特 殊定语从句可以出现在先行成分之中。三、“as/which”特殊定语从句的语义功能一般说来,as与which的语义功能相同,可以相互替换。但 先行成分为句子时,它们的语义功能则有差异。1、表示结果表示结果的特殊定语从句与其先行成分之间存在着一定的因 果关系,从句中往往使用有结果意义的词,如动词result, make, enable, cause 和形容词 interesting, surprising, delightful, disgra

36、ceful 等。2、表示评注表示评注的特殊定语从句对其先行成分所述事实的正确性有 肯定的倾向,它通常与那些表示客观事实,普遍真理或某种习性 的先行成分连用;从句中则常用一些表示“合乎自然规律”、 “众所周知”或"经常发生"等意义的词语,如natural, known to all, usual 等。3、有无状语意义“as”特殊定语从句具有状语意义(主要是方式状语意 义),而“which”特殊定语从句则无状语意义。“as”特殊定语 从句的状语意义要求它在语义上与其先行成分的语义保持一致, “which”特殊定语从句则不受这种限制。四、关系代词as与which的句法功能1、as

37、 / which在特殊定语从句中作主语。as作主语时,谓语动词常为连系动词(主要是be, seem), 主语补语为usual、a rule、a matter of fact等时,系动词 be习惯经常省略。行为动词作“as”特殊定语从句的谓语时一般 用于被动语态(其中助动词be常略),不及物的行为动词在“as”特殊定语从句中作谓语的极少,常见的有happen一词。如:Freddie, as might be expected, was attending the conferenceWhich作主语时,谓语动词不限,主动被动皆可,只是谓语动 词为被动语态时助动词be省略。2、as和which都可

38、以在特殊定语从句中宾语。3、as和which在特殊定语从句中作补语。如:We thought him a gentleman, as/which he could never be、“as”特殊定语从句中可以主谓倒装,"which”从句中则不 能主谓倒装。如果先行成分不是主语补语或宾语补语,关系代词用which 而不用aso如:He talked like a native, which/as he hardly was、4、which在特殊从定语句中作定语。which可以在特殊定语从句中作定语,修饰fact, matter, thing等名词。这些名词代表先行成分表达的意义,有时将

39、其略 去句义仍然完整。as不能作定语。如:I was told to go not by train but bus, which advice I followed、编辑本段关系代词that的用法(1)不用that的情况(a)在引导非限定性定语从句时。(错)The tree, that is four hundred years old, Is very famous here、(b)介词后不能用。We depend on the land from which we get our food、We depend on the land that/which we get our food from.(2)只能用that作为定语从句的关系代词的情况(a) 在there be句型中,只用that,不用which。(b) 在不定代词,如:anything, nothing, the one, all 等作先行词时,只用that,不用whicho(c) 先行词有 the o

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