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定语从句语法,定语从句 语法

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1,定语从句 语法

定语从句 定语从句是由关系代词和关系副词引导的从句,其作用是作定语修饰主句的某个成分,定语从句分为限定性和非限定性从句两种。状语从句分为时间状语从句,结果状语从句,让步状语从句,原因状语从句,条件状语从句以及行为方式状语从句。名词从句包括主语从句,宾语从句,表语从句和同位语从句及there be句型
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定语从句 语法

2,定语从句语法知识

(1)定语从句:在复合句中,修饰某一名词或代词的句子叫作定语从句。(2)先行词:定语从句修饰的名词或代词叫做先行词。(3)关系代词:whom\who(人),which(物),that(人|物)
that和which的区别:(1)先行词是all,few,little,much等数词或不定代词时,用that (2)先行词被the only,the very,the last,the same,no,any修饰时,用that (3)先行词既指人又指物时,用that (4)先行词是序数词或被序数词修饰时,用that (5)先行词被形容词最高级修饰时,用that (6)非限制性定语从句中指物只能用which 定语从句比较难,现有这么多,比较基础的知识。
定语从句有先行词,名词,从句三部分组成的,先行词跟据名词而定,并有的先行词可做主语,谓语,宾语等

定语从句语法知识

3,定语从句的语法分析

划括号为定语从句 IS this factory(_______ the foreign visitors visited last week?) 这句 先行词 factory 由于从句中visited是及物动词 后面需要跟宾语 所以关系代词代替先行词在从句中担任的是visited的宾语 可以省略不填,也可以填that/which 本句定语从句主语the foreign visitors 谓语visited 时间状语last weekGreat changees have taken place since then in Great changees have taken place since then in the factory (______we are working.) 这句 从句中 work是不及物动词,后面不需宾语,只能跟状语。所以关系副词代替先行词the factory 在从句中担任的是地点状语 填 where 本句主语we 谓语are workingI can never forget the day( ____we worked together )and the day (_____we spent togeher) 本句第一个定语从句 同上个,work是不及物动词,关系副词代替先行词在从句中担任时间状语,所以填when 主语we 谓语 worked 第二个定语从句中 spend是及物动词,所以关系代词代替先行词在从句中做宾语。可以省略不填,也可以填that/which主语we 谓语spent

定语从句的语法分析

4,定语从句的具体语法

定语从句(Attributive Clauses)在句中做定语,修饰一个名词或代词,被修饰的名词,词组或代词即先行词。定语从句通常出现在先行词之后,由关系词(关系代词或关系副词)引出
定语从句(Attributive Clauses)在句中做定语,修饰一个名词或代词,被修饰的名词,词组或代词即先行词。定语从句通常出现在先行词之后,由关系词(关系代词或关系副词)引出。位置:先行词之后。关系词常有3个作用: ①连接作用,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。 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词保持一致。1,who, whom, that这些词代替指人,“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? 他是那个想见你的男人吗?(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) (3)The man whom you spoke to just now is our English teacher. 你刚刚说话的那个男人是我们的英语老师。2,Which 用来指人或物(用作主语、宾语,作宾语时可以省略),例如: (1)Prosperitywhich / that had neppearsin te. 农村出现了前所未有的繁荣。(which / that在从句中作主语) (2)The package (which / that) you are carryingis about to come unwrapped.你拿那个包裹快要散开了。(which / that在从句中作宾语)whose(只用作定语) “whose”表示谁(可以为人也可以为物)的(东西) 例:A child whose parents are dead is called an arphan.双亲都死了的孩子叫做孤儿。(“whose”表示那个孩子的双亲) He lives in a room whose window faces south.他住的那个房子的窗户是朝南的。(“whose”表示那个房子的窗户) 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”在从省略。[eg:This is the book (which)you want.] 2. 不及物动词+介词”的介词的宾语代词“wh”放在它原来的位置。 3. 代表物时多这时的that常被省略; c)被形容词最高级修饰时;既有人又有物时; e)整个句中前面已有“which”,“wh”行 关系副词:在句中作状语 关系副词=介词+关系代词 why=for which where=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”是关系代词,当然也不用“that”引导。 By the time when you arrived in London, we had stayed there for two weeks. 到你到达伦敦的时候,我们在那里已经待了两个星期。 I still remember where I met her for the first time. 我仍然记得我第一次见到她。 Each time when he goes to business trip, he brings a lot of living necessities, such as towels, soap, toothbrush etc。 他每次出差都带来了生活必需品,如毛巾,肥皂,牙刷等其他东西。 3. 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”开头。 There is somebody here who wants to talk to you. 这里有人要和你说话。 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。关系副词的用法及说明关系副词why关系副词why主要用于修饰表示原因的名词(主要是the reason),同时它在定语从句中用作原因状语。如: We dont know the reason why he didnt show up. 我们不知道他为什么没有来。 She didnt tell me the reason why she refused the offer. 她没跟我讲她拒绝这项工作的原因。 与关系副词when和where不同,why可以换成that或省略。如: Thats one of the reasons (why, that) I asked you to come. 这就是我请你来的原因之一。 另外,与关系副词when和where可以引导非限制性定语从句不一样,why只能引导限制性定语从句,不能引导非限制性定语从句。如: 他失去工作的主要原因是他喝酒。 误:The main reason, why he lost his job, was that he drank. 正:The main reason why he lost his job was that he drank.关系副词when关系副词when主要用于修饰表示时间的名词,同时它在定语从句中用作时间状语。如: There comes a time when you have to make a choice. 你必须作出抉择的时候到了。 Gone are the days when they could do what they liked. 他们为所欲为的日子一去不复返了。 Well put off the picnic until next week, when the weather may be better. 我们将把野餐推迟到下星期,那时天气可能会好一点。 注意不要一见到先行词为时间名词,就以为一定要用关系副词when来引导定语从句,同时还要看它在定语从句中充当什么成分——如果在定语从句中用作时间状语,就用when;如果在定语从句中不是用作时间状语,而是用作主语或宾语,那就不能用when,而要用that, which等。如: Dont forget the time (that, which) Ive told you. 不要忘记我告诉你的时间。 关系代词that / which在定语从句中用作动词told的宾语,正因为是用作宾语,所以也可以省略。关系副词where关系副词where主要用于修饰表示地点的名词,同时它在定语从句中用作地点状语。如: This is the village where he was born. 这就是他出生的村子。 Thats the hotel where we were staying last summer. 这就是我们去年夏天住的旅馆。 Barbary was working in Aubury, where she went daily in a bus. 巴巴拉在奥伯里工作,每天得坐公共汽车去上班。 与前面when的情况一样,注意不要一见到先行词为地点名词,就以为一定要用关系副词where来引导定语从句,同时还要看它在定语从句中充当什么成分——如果在定语从句中用作地点状语,就用where;如果在定语从句中不是用作地点状语,而是用作主语或宾语,那就不能用where,而要用that, which等。如: He works in a factory that [which] makes TV sets. 他在一家电视机厂工作。 关系代词that / which在定语从句中用作主语。 另外注意,where有时还可用于抽象名词后引导定语从句。如: We have reached a point where a change is needed. 我们到了必须改一改的地步。 There are cases where the word “mighty”is used as an adverb. 在一些情况下,mighty一词可用作副词。 He got into a situation where it is hard to decide what is right and wrong. 他陷入一种难以分辨是非的局面。 I dont want a job where Im chained to a desk all day. 我不想找一份整天坐办公桌前的工作。非限制性定语从句意义: 非限制性定语从句起补充说明作用,缺少也不会影响全句的理解。在非限制性定语从句的前面往往有逗号隔开,如The house,which I bought last year,has a lovely garden. 我去年买的的房子带着个漂亮的花园。 This novel, which I have read three times, is very touching. 这本我已经读过三遍的小说很感人。
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用来说明主句中某一名词或代词(有时也可说明整个主句或主句中一部分)而起定语作用的句子叫作定语从句。 一、关系代词引导的定语从句 1. 关系代词用来指代先行词是人或物的名词或代词 句子成分 用于限制从句或非限制性从句 只用于限制性从句 代替人 代替物 代替人或物 主语 who which that 主语 whom which that 宾语 whose(=of whom) whose(=of which) 例1:this is the detective who came from london. 例2:the book which i am reading is written by tomas hardy. 例3:the desk whose leg is broken is very old. 例4:this is the room that shakespeare was born in. 2.关系代词的用法 (1) 如果先行词是all, much, anything, something, nothing, everything, little, none等不定代词,关系代词一般只用that,不用which。例如: all the people that are present burst into tears. (2) 如果先等词被形容词最高级以及first, last, any, only, few, mush, no, some, very等词修饰,关系代词常用that,不用which, who,或whom。例如: (3) 非限制性定语从句中,不能用关系代词that,作宾语用的关系代词也不能省略。例如: there are about seven million people taking part in the election, most of whom、are well educated. (4) which还有一种特殊用法,它可以引导从句修饰前面的整个主句,代替主句所表示的整体概念或部分概念。在这种从句中,which可以作主语,也可以作宾语或表语,多数情况下意思是与and this 相似,并可以指人。例如: he succeeded in the competition, which made his parents very happy. (5) that可指人或物,在从句中作表语,(指人作主语时多用who)仅用于限制性定语从句中。 (6) which可作表语,既可指人,以可指物。指人时,一般指从事某种职业或是有种特征.品性或才能的人。which引导的定语从句可以限制性的,也可以是非限制性的。 (7) 如果作先作词的集体名词着眼于集体的整体,关系代词用which;若是指集体中的各个成员,则用who。 (8) 先行词有两个,一个指人,一个指物,关系代词应该用that。例如: the boy and the dog that are in the picture are very lovely. (9) 如果先行词是anyone, anybody, everyone, everybody, someone, somebody,关系代词应该用 who 或whom,不用 which。例如: is there anyone here who will go with you? 3.“介词+关系代词“是一个普遍使用的结构 (1) “介词+关系代词“可以引导限制性定语从句,也可以引导非限制性定语从句。“介词+关系代词“结构中的介词可以是 in, on, about, from, for, with, to at, of, without 等,关系代词只可用whom或 which,不可用 that 。 (2) from where为“介词+关系副词“结构,但也可以引导定语从句。例如: we stood at the top of the hill, from where we can see the town.. (3) 像listen to, look at, depend on, pay attention to, take care of等固定短语动词,在定语从句中一般不宜将介词与动词分开。例如: this is the boy whom she has taken care of. 二.关系副词引导的定语从句 1.关系副词也可以引导定语从句 关系副词在从句中分别表示时间.地点或原因。关系副词when在从句中充当时间状语,where 充当地点状语,why充当原因状语。 2. that可引导定语从句表示时间.地点或原因, that有时可以代替关系副词 when, where 或者why引导定语从句表示时间.地点或原因,在 that引导的这种定语从句中,that也可以省去。 三.限制性定语从句与非限制性定语从句 1.二者差异比较 限制定语从句紧跟先行词,同先行词这间一般不加逗号,仅修饰先行词,可以由关系代词.关系副词或that来引导。非限制性定语从句仅作补充或说明,用逗号与主句隔开,既可修饰先行词,又可修饰整个主句,不可用that引导。 2.关系代词和关系副词的选择依据 (1) 弄清代替先行词的关系词在从句中作什么成分,作状语的应选用关系副词,作主语.宾语或表语的可选用关系代词。 3. 先行词与定语从句隔离 定语从句一般紧跟在先行词之后,但定语从句与先行词之间有时也会插入别的成分,构成先行词与定语从句的隔离。例如: 1) this is the article written by him that is poke to you about.. 2) he was the only person in this country who was invited 四.as在定语从句中的用法 1. 引导限制性定语从句和非限制性定语从句 (1)as多与such 或the same连用,可以代替先行词是人或物的名词。 (2)as 也可单独使用,引导非限制性定语从句,作用相当于which。例如: the elephants nose is like a snake, as anybody can see. 3)the same… that与 the same …as在意思上是不同的。 2.as引导的非限制性定语从句的位置 as引导的非限制性定语从句位置较灵活,可以位于主句前面.中间或后面,一般用逗号与主句隔开,但which所引导的非限制性定语从句只能放在主句之后。例如: (1) as is expected, the england team won the football match. (2) the earth runs around the sun, as is known by everyone.
the blue sky 中的blue,就是定语从句了..首先知道什么是定语,定语是做修饰和限定作用,最常见的就是形容词.例子,要用一个句子的时候.例子:字数限制......,修饰 sky但是如果定语不能用一个单词表示
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