定语从句的意思

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   定语从句简介

  定语从句,一个简单句跟在一名词或代词后(先行词)进行修饰限定,就叫做定语从句。在主句中充当定语成分。[1]被修饰的词叫先行词。定语从句不同于单词作定语的情况,它通常只能放在被修饰的词(即先行词)之后。

  定语 从句由关系词(关系代词、关系副词)引导,关系代词、关系副词位于定语从句句首。

   定义

   关系代词引导的定语从句

  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。关系代词在定语 从句中作主语时,从句谓语动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,在从句中所起作用如下:

  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) 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of which互换), 例如:

  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。

  Please pass me the book whose (of which) cover 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,例如:

  A prosperitywhich / thathad never been seen before appears in the countryside. 农村出现了前所未 有的繁荣。(which / that在句中作主语)

  The packagewhich / thatyou are carrying is about to come unwrapped. 你拿的包快散了。(which / that 在句中作宾语)

   关系副词引导的定语从句

  关系副词可代替的先行词是时间、地点或理由的名词,在从句中作状语。

  1)when, where, why

  关系副词when, where, why的`含义相当于"介词+ which"结构,因此常常和"介词+ which"结构交替使用,例 如:

  There are occasions when (on which) one must yield. 任何人都有不得不屈服的时候。

  Beijing is the place where (in which) I was born.北京是我的出生地。

  Is this the reason why (for which) he refused our offer? 这就是他拒绝我们帮助他的理由吗?

  2)that代替关系副词

  that可以用于表示时间、地点、方式、理由的名词后取代when, where, why和"介词+ which"引导的定语从 句,在非正式文体中that常被省略(正式文体中不可省略),例如:

  His father died the year (that / when / in which) he was born. 他父亲在他出生那年逝世了。

  He is unlikely to find the place (that / where / in which) he lived forty years ago. 他不大可能找到他四十 年前居住过的地方。

   判断关系代词与关系副词

  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。及物动词后面无宾语,就必须要 求用关系代词。例如:

  (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) I'll 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, 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.先行词在从句中作主、定、宾语时,应选择关系代词;先行词在从句中作状语时,应选 择关系副词。

  例如:(对)Is this the museum which you visited a few days ago?

  (对)Is this the museum where the exhibition was held?

  定语从句,就是用来修饰名词或代词的句子,起到定语的作用,所以叫做定语从句.

  定语从句:在复合句中修饰名词或代词的句子在复合句中充当定语,所以叫作定语从句.

  先行词:定语从句所修饰的名词或代词.

  关系词:引导定语从句的词,分为关系代词(who,whom,that,which,whose)和关系副词(where,when,why,).

  复合句 :The man who (that) came is Mike.

  先行词 关系代词

  Li Ming is the one that got full marks in our class.

  先行词 关系代词

  上句的黑体字为复合句中的主句,蓝体字为定语从句.

  一 定语从句的关系代词 Which的用法:若先行词指物则代替先行词在定语从句中充当主语或宾语.

  This is the pen which was given by my friend.

  先行词 指物代替先行词在定语从句中充当主语

  This is the pen which my friend gave to me.

  先行词 指物代替先行词在定语从句中充当宾语.

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