高中英语非限定性定语从句语法归纳

非限定性定语从句是英语语法中从句的一种，是定语从句的分支之一。作用是对所修饰的成分作进一步说明，通常和主句间用逗号隔开，将从句拿掉后其他部分仍可成立。运用非限定性定语从句，尤其要注意其语法运用及其所表示的东西。

1 who引导的非限制性定语从句

Our guide，who was a French Canadian，was an excellent cook.

我们的向导，一个法裔加拿大人，擅长于烹调。

My gardener，who is very pessimistic，says that there will be no apples this year.

我家的园丁非常悲观，他说今年将不结苹果。

2 whom引导的非限制性定语从句。

关系代词whom用于指人，在句中作动词宾语和介词宾语，作介词宾语时，介词可位于句末。

如：Peter, whom you met in London, is now back in Paris.

彼得现在回巴黎了，你在伦敦见过他。

Mr Smith，from whom I have learned a lot，is a famous scientist.

史密斯先生是一位著名的科学家，我从他那儿学了许多东西。

3 whose引导的非限制性定语从句。

whose是关系代词who的所有格形式，在从句中作定语。whose通常指人，也可指动物或无生命的事物。

如：The boy, whose father is an engineer, studies very hard.

那位小男孩学习很努力，他的父亲是位工程师。

Above the trees are the mountains, whose magnificence the river faithfully reflects on the surface.

在树林的高处是山，其壮丽的景色完全映照在河面上。

The play，whose style is rigidly formal，is typical of the period.

这剧本是那个时期的典型作品，风格拘谨刻板。

4 which引导的非限制性定语从句。

关系代词which在非限制性定语从句中所指代和修饰的可以是主句中的名词、形容词、短语、其他从句或整个主句，在从句中作主语、动词宾语、介词宾语或表语。

①which指代主句中的名词，被指代的名词包括表示物、婴儿或动物的名词、表示单数意义的集体名词以及表示职业、品格等的名词。

如：These apple trees，which I planted three years ago，have not borne any fruit.

这些苹果树是我三年前栽的，还没有结过果实。

She is an artist，which I am not.

她是一位艺术家，而我不是。

Water，which is a clear liquid，has many uses.

水是一种清澈的液体，有许多用途。

The two policemen were completely trusted，which in fact they were.

那两个警察完全受到信任，事实上，也真是如此。

②which指代主句中的形容词。

如：She was very patient towards the children，which her husband seldom was.

她对孩子们很耐心，她丈夫却很少这样。

She is always careless，which we should not be.

她总是马虎大意，我们可不应该这样。

③which指代主句中的某个从句。

如：He said that he had never seen her before，which was not true.

他说以前从没见过她，这不是真的。

④which指代整个主句。

如：In the presence of so many people he was little tense, which was understandable.

在那么多人面前他有点紧张，这是可以理解的。

He may have acute appendicitis，in which case he will have to be operated on.

他可能得了急性盲肠炎，如果是这样，他就得动手术。

When deeply absorbed in work，which he often was，he would forget all about eating and sleeping.

他经常聚精会神地工作，这时他会废寝忘食。

5 when引导的非限制性定语从句。

关系副词when在非限制性定语从句中作时间状语，指代主句中表示时间的词语。

如：He will put off the picnic until May 1st, when he will be free.

他将把郊游推迟到5月1号，那时他将有空。

5.1 where引导的非限制性定语从句关系。

副词where在非限制性定语从句中作地点状语，指代主句中表示地点的词语。

如：They went to London，where they lived for six months.

他们去了伦敦，在那儿呆了六个月的时间。

6 as引导的非限制性定语从句。

as引出非限定性定语从句时，代替整个主句，对其进行说明但通常用于像as we all know, as it is known, as is known to all, as it is, as is said above, as always mentioned above, as is usual, as is often the case, as is reported in the newspaper等句式中。as在非限定性定语从句中作主语、表语或宾语，且引出的从句位置比较灵活，可位于句首或句末，也可置于主句中间。通常均由逗号将其与主句隔开。as有“正如……，就像……”之意。

如：As is known to the United States, Mark Twain is a great American writer.

美国人都知道，马克·吐温是一位伟大的美国作家。（as在从句中作主语）

He forgot to bring his pen with him, as was often the case.

他忘了带笔，这是常事。（as在从句中作主语）

He is absorbed in work, as he often was.

他正在全神贯注地工作，他过去经常这样。（as在从句中作表语）

As we all know, the earth is round.

众所周知，地球是圆的。（as在从句中作宾语）

The two brothers were satisfied with this decision，as was agreed beforehand.

两兄弟对此决定都满意，这项决定在事前都已得到他们的同意。(as在从句中作主语) Taiwan is，as you know，an inseparable part of China.

你知道，台湾是中国不可分割的一部分。(as在从句中作宾语)

“介词+关系代词”引导的非限制性定语从句在介词后引导非限制性定语从句。

难：句意相同

as it is known to all (that...) (as 做状语从句连词，是状语从句, 可以加that)

与as is known to all (as做主语，是定语从句)

与it is known to all that... (主语从句，it是形式主语)

既：As is widely known, the moon is closer to the us than the sun.(定从)= Thatthe moon is closer to the us than the sun is widely known.(主从)= it is widely known thatthe moon is closer to the us than the sun.(主从)

As it is known to everyone, I thought you knew about it too.(状从)[1]

关系代词which有时并不代表主句中某一确定的词，而是概括整个主句的意思。介词的选择取决于它与先行词的搭配或与从句中谓语动词的搭配。

They were short of sticks to make frames for the climbing vines，without which the yield would be halved.

他们缺搭葡萄架的杆儿，没有它们产量会减少一半。

They thanked Tom，without whose support they would not have succeeded.

他们很感激Tom，没有他的支持他们是不会成功的。

6.1 “名词/代词+of+which / whom”

It now has 20，000 hectares of land，more than two-thirds of which are under cultivation.

现在它拥有两万公顷土地，其中三分之二之多已经耕种。

Light is the fast thing in the world, the speed of which is 300000 kilometer per second.

光是世界上最快的东西，它的速度是每秒30万千米。

There are 30 chairs in the small hall, most of which are new.

大厅里有三十把椅子，绝大部分是新的。

The textile mill has over 8，000 workers and staff，eighty per cent of whom are women.

这家纺织厂有8千多职工，女职工占百分之八十。

7 关系词

①引导非限定性定语从句的关系代词：

指代对象指代人指代物

主格who which,as

宾格Whom which,as

所有格of whom, whose which, of which,whose

②引导非限定性定语从句的关系副词主要有：when,where

8 规则注意

1. which引导的非限定性定语从句是用来说明前面整个句子的情况或主句的某一部分

2. as有时也可用作关系代词。as引导非限制性定语从句，若as在从句中作主语，其引导的句子可以放在句首，也可以放在句中。但which引导的非限制性定语从句只能放句中。

例句：

As is reported in the newspaper ，some artistic treasures(艺术珍品）will be on show at the exhibition on the weekend.

3. 在非限定性定语从句中，关系词不能用that。

9 as和which的区别

1、as引导的定语从句可以放在句首、句中和句尾，which引导的定语从句只能放在句中。

2、当as后面有“is或was+过去分词”构成的被动语态时，be动词is或was可省略。

3、as有时也可用作关系代词。as引导非限制性定语从句，若as在从句中作主语，其引导的句子可以放在句首，也可以放在句中。但which引导的非限制性定语从句只能放句中。

例句：

As is reported in the newspaper ，some artistic treasures(艺术珍品）will be on show at the exhibition on the weekend.

10 限制性从句和非限制性从句的区别

1.从句不能省,如果省整个句子意思不完整。从句可省,如果省整个句子意思仍然完整

2先行词可以用that 引导。先行词不可以用that 引导。

3. 引导词有时可以省略。引导词不可以省略。

4.主句与从句不需要用逗号隔开。主句与从句需要用逗号隔开。

5.从句只修饰先行词。从句既可以修饰先行词，也可以修饰整个句子或句子的一部分。

11 功能、用途和形式方面的区别

为什么说限定性定语从句与主句的关系很紧凑，对其先行词起限定、修饰的作用。如果将其去掉，会影响句子意思的完整性；有时甚至于引起费解、误解。例如：

1.Rainforests are being cleared for valuable timber and other resources to speed up the economic growth of the nations in which they are located .

为了加速他们各自所在国家的经济发展，热带雨林作为有价值的原木和其他资源正为人们所砍伐。

2.Ocean currents affect the climates of the lands near which they flow.

洋流影响其流经的附近地区的气候。

3.They explained the reason to us why they had hated us before.

他们向我们解释为什么他们不喜欢我们的原因。

非限定性定语从句在形式上就与主句很松散，它与主句之间有一个逗点"，"隔开；它对其先行词没有限定、修饰的作用，只起补充、说明的作用。有时也用它来对全句或句中某个成分进行补充、说明。即使将其去掉，也不会影响句子意思。由于上述原因，非限定性定语从句在表达意思方面也有别于限定性定语从句。另外，非限定性定语从句在中文译文里，我们往往将其作为一个分句处理，而不把它作定语翻译。例如：

Earlier , the Babylonians had attempted to map the world , but they presented it in the form of a flattened disc rather than a sphere , which was the form adopted by Ptolemy .

更早之前，巴比伦人曾试图绘制世界地图，但是他们把它绘制成平盘状而不是托勒密所采用的球体状。

（此句中，非限定性定语从句是对先行词a sphere进行补充、说明。）

The combination of satellites, which transmit information , computers , which store information , and television , which displays information , will change every home into an education and entertainment center .

卫星能传输信息，计算机能储存信息，电视能显示信息，把这些手段结合起来可以使每个家庭都成为教育娱乐的中心。

（此句中，三个非限定性定语从句分别对三个先行词：satellites ，computers和television 进行补充、说明。如果去掉这三个非限定性定语从句，那么句子可简化为：The combination of satellites , computers and television will change every home into an education and entertainment center .）

The sun heats the earth , which makes it possible for plants to grow .

太阳给予大地热，这就使植物的生长成为可能。

（此句中，非限定性定语从句是对全句进行补充、说明,将全句表达的意思看成"一件事情）。The old man has a son , who is in the army .

那位老人有一个儿子，他在部队工作。

（此句中，非限定性定语从句是对先行词son进行补充、说明。但本句所传达的信息是："这位老人只有一个儿子" 。如果将此句改写成限定性定语从句："The old man has a son who is in the army . "那位老人有一个在部队工作的儿子。那么，限定性定语从句就要对先行词son 进行限定、修饰。这样一来，句子所传达的信息就变成了："这位老人有一个儿子在部队工作"，也就是说可能老人还有其他的儿子在干别的工作）

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定语从句用法总结

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(完整版)高中英语定语从句讲解及练习

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非限制性定语从句

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定语从句用法归纳完整版

定语从句用法归纳标准化管理处编码[BBX968T-XBB8968-NNJ668-MM9N]

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定语从句 一、基本概念： 定语： 定语从句： Do you know the man who spoke at the meeting just now That is the house where he lived ten years ago. 引导词：关系词 关系代词有：that, who, whom, whose, which; 在从句中充当： 关系副词有：when, where, why. 在从句充当： 先行词： 定语从句中引关系词的作用： 二、关系词的用法： （一）关系代词的用法： 1． He is the man lives next door. The train has just left is for Shenzhen. 2． The man ________ we have just seen is a famous writer. Where is the book ___________I bought last week （二）关系副词的用法： 1． I still remember the time ________I first became a college student. Do you know the date __________Lincoln was born

(三) 使用关系副词应注意下列几点： 1．这三个关系副词在意义上都相当于一定的介词+which结构： when = on (in, at, during…) + which; where = in (at, on…) + which; why = for which. 如： I was in Beijing on the day when (=on which) he arrived. The office where (=in which) he works is on the third floor. This is the chief reason why (=for which) we did it. 2．当先行词是表时间的time, day等和表地点的place, house等时，一定要注意分析从句的结构，如果缺少主语或宾语时，关系词应该用which或that, 缺少时间状语或地点状语时，才能用when或where，试比较： I’ll never forget the day _________ my hometown was liberated. I’ll never forget the days____________we spent together last summer. His father works in a factory____________radio parts are made. His father works in a factory______________makes radio parts. 三．限制性定语从句与非限制性定语从句 1．限制性定语从句 This is the telegram which he refers to. Is there anything (that) I can do for you 2．非限制性定语从句 This note was left by Tom, who was here a moment ago. As a boy, he was always making things, most of which were electric.

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