本文目录
英语中定语从句的用法
英语定语从句用法详解
英语语法让很多学生都头疼，因为复杂难懂的句式和词组有时难以记忆。下面网我为大家具体讲解下英语定语从句的用法，供大家参考。
一、定语从句的有关概念
所谓定语从句，就是在复合句中起定语作用以修饰主句中的名词或代词的从句。学习定语从句，首先要弄清两个重要概念——先行词和关系词。
先行词是我们汉语中从来没有听过的一个新概念，它其实指的就是被定语从句所修饰的词。由于定语从句修饰名词或代词时，定语从句通常是后置的，所以人们就将放在定语从句前被定语从句修饰的名词或代词叫先行词。
那什么是关系词呢?其实它就是用于引导定语从句的引导词。事实上，英语中的各类从句，不管性质如何，它们都需要有一个词来“引导”，正如人们给引导状语从句的词语取了个名字叫从属连词一样，人们也给引导定语从句的词语取了个名字，叫它关系词，因为它通常被放在先行词和定语从句之间起连接作用，以表明两者之间的修饰关系，同时它还在定语从句中充当一定的句子成分。
二、定语从句中关系词与所修饰先行词的关系
为了更好地理解定语从句，我们还有必要研究一下关系词与先行词之间的关系。但在研究这种关系之前，我们先来看看关系词有哪些。
根据关系词在定语从句中的作用，我们可以将关系词分为关系代词和关系副词两种。所谓关系代词就是指起代词作用的关系词，它们在引导定语从句的同时，还在定语从句中充当主语、宾语、宾语等，英语中比较常用的关系代词有that, which, who, whom, whose等。
类似地，关系副词就是指起副词作用的关系词，它们在引导定语从句的同时，还在定语从句中充当状语等，英语中比较常用的关系副词只有三个，即when, where和why。
许多初学定语从句的人弄不清关系词与先行词之间到底是什么关系。其实啊，关系词与先行词之间的关系很简单，简单得可以划一个等号。因为，关系词的含义在本质上等价于先行词，它与先行词指的就是同一个人或同一个事物。为便于理解，下面我们来看几个例子吧。
I know the man who lives next door. 我认识住在隔壁的那个人。
这是一个含有定语从句的复合句。句中的the man为先行词，who lives next door为修饰the man的定语从句;在定语从句中，who是关系词，它在定语从句中用作主语，从意义上说，它在此所表示的意思与先行词the man等价，换句话说，上面这个句子与下面这个句子等价：I know the man. He lives next door. 我认识这个人，它就住在隔壁。
She will never forget the day when she got married. 她永远不会忘记她结婚的这一天。
句中的the day为先行词，when she got married为修饰the day的定语从句;在定语从句中，when是关系词，它在定语从句中用作状语，从意义上说，它在此与“介词+先行词”所表示的意思等价，也就是说上面的句子与下面这个句子等价：She will never forget the day. On that day she got married. 她永远不会忘记这一天，在这一天她结婚了。
三、定语从句的翻译
许多英语初学者往往弄不明白为什么引导定语从句的关系词which不能译为“哪一个”，who不能译为“谁”，when不能译为“什么时候”，where不能译为“什么地方”，等等。
首先，我们必须要明白一点，那就是引导定语从句的which, who, when, where, why等是关系词(关系代词或关系副词)，而不是疑问词，所以不能按疑问词的意思来理解。
前面我们讲到，英语中的定语从句总是后置的，即要放在被修饰名词或代词之后;但在汉语中，定语通常是前置的，也就是说定语要放在被修饰名词的前面，并通常表现为“……的”这样的形式。当我们翻译英语中定语从句的时候，一般可以按汉语习惯，将定语从句翻译在被修饰的名词或代词之前，而其中的关系词一般就是译成汉语中的“……的”。如：
He showed me the article that he had written. 他把他写的文章拿给我看。
句中的that he had written为修饰名词the article的定语从句，翻译时就可译为“他写的文章”，其中的关系代词that在此译成了“的”字。
She was not in the train which arrived just now. 她不在刚到的那列火车上。
句中的which arrived just now为修饰名词the train的定语从句，翻译时就可译为“刚才到的那列火车”，其中的关系代词which在此也译成了“的”字。
Sunday is the day when very few people go to work. 星期日是没什么人上班的日子。
句中的when very few people go to work为修饰名词the day的定语从句，翻译时就可译为“没什么人去上班的日子”，其中的关系副词when在此也译成了“的”字。
That’s the hotel where we were staying last summer. 这就是我们去年夏天住的旅馆。
句中的when very few people go to work为修饰名词the day的定语从句，翻译时就可译为“没什么人去上班的日子”，其中的关系副词when在此也译成了“的”字。
Give me one reason why we should help you. 给我举出一个我们应当帮助你的理由。
句中的why we should help you为修饰名词one reason的定语从句，翻译时就可译为“我们应当帮助你的理由”，其中的关系副词why在此也译成了“的”字。
当然，我们上面介绍的是翻译定语从句最简单同时也是最基本的方法，由于英语句子千变万化，定语从句的表现形式也灵活多样，有些含有定语从句的句子可能用此方法翻译会显得别扭，但只要掌握了这个基本的方法，再加上适当的变通，翻译定语从句也就不难了。
四、定语从句中关系代词的省略
省略关系代词最典型的情形就是当关系代词在定语从句中用作宾语的时候。在定语从句中能够用作宾语的关系代词有that, which, who, whom。如：
Those books (that) you lent me were very useful. 你借给我的那些书很有用。
句中的(that) you lent me为修饰those books的定语从句，引导定语从句的关系代词that在定语从句中用作动词lent的宾语，故可以省略。
I wore the necklace (which) my mother had left me. 我戴着我妈留给我的项链。
句中的(which) my mother had left me为修饰the necklace的定语从句，引导定语从句的关系代词which在定语从句中用作动词left的宾语，故可以省略。
Do you still remember the boy (who, whom) I was going out with? 你还记得那个跟我约会的小伙子吗?
句中的(who, whom) I was going out with为修饰the boy的定语从句，引导定语从句的关系代词who / whom在定语从句中用作句尾介词with的宾语，故可以省略。
注意：我们说的关系代词的省略只限于限制性定语从句，在非限制性定语从句中，即使关系代词用作宾语也不能省略。另外，当关系代词直接用作介词后作宾语时，此时也不能省略。如：
I wanted to find someone with whom I could discuss books and music. 我想找到一个可以和我谈书和音乐的人。
此句中的关系代词which虽然也是用作宾语，但不能省略，因为它是直接跟在介词with后面作宾语。但是，如果将此句改写一下，将介词with置于句末，则可以将关系代词whom省略。如：
I wanted to find someone (whom) I could discuss books and music with. 我想找到一个可以和我谈书和音乐的人。
五、引导定语从句的主要关系代词
1. that的用法
that是所有关系代词中最常用的，它既可指人也可指物，既可用作主语也可用作宾语。如：
This is the photo (that) I took. 这就是我拍的照片。
引导定语从句的关系代词that在此指事，且在定语从句中用作宾语，故可以省略。
They live in a house that was built 200 years ago. 他们住在一座两百年前盖的房子里。
引导定语从句的关系代词that在此指物，且在定语从句中用作主语，故不可以省略。
The man that I saw told me to come here. 我见到的人让我到这里来。
引导定语从句的关系代词that在此指人，且在定语从句中用作宾语，故可以省略。
2. who / whom的用法
关系代词who和whom均只能指人，不能指物;从理论上说，who是主格，在定语从句中用作主语;whom是宾格，在定语从句中用作宾语。但在实际运用中，除非是直接用作介词后作宾语，否则凡是用宾格whom的地方。如：
I met someone who said he knew you. 我碰到一个人，他说认识你。
引导定语从句的关系代词who在此指人，且在定语从句中用作主语，故不可以省略。
She is the girl (who, whom) you saw in school. 她就是你在学校见到的那个女孩。
关系代词在定语从句中用作宾语，从理论上说应用whom，但也可以用who;由于是用作主语，所以它们也可以省略。
注意，如果关系代词是直接用作介词后作宾语，不可以用who来代替whom。如：
The girl to whom I spoke is my cousin. 我和她谈话的那个姑娘是我表妹。
句中的whom直接用在介词to的后面作宾语，故不可省略。
3. whose的用法
不要以为关系代词whose只用于指人，其实它也可以用于指事物;whose在定语从句中主要用作定语。如：
He is the man whose car was stolen. 他就是汽车被窃的人。
It was an island whose name I have forgotten. 这是一座岛，名字我忘了。
第一句中的关系代词whose指人，第二句中的关系代词whose 指物。
六、引导定语从句的主要关系副词
1. when的用法
关系副词when在定语从句中用作状语，表示时间，用以修饰表示时间的先行词;在许多情况下可以理解为“介词+which”的意思(which的意思与先行词所表示的`意思等价)，其中的“介词”通常应根据先行词的含与搭配来确定。如：
1988 was the year when he was born. 1988是他的出生年。
句中的when he was born为修饰the year的定语从句，关系副词when在此相当于in which。表示在某一年，英语习惯上用介词in，如in 1988, in 2008等，所以此处用in which。
I’ll never forget the day when I first met you. 我永远不会忘记第一次见你的那天。
句中的when I first met you为修饰the day的定语从句，关系副词when在此相当于on which。表示在某一天，英语习惯上用介词on，如on that day, on Friday等，所以此处用on which。
Don’t forget the time when the wedding will start. 不要忘记婚礼开始的时间。
句中的when the wedding will start为修饰the time的定语从句，关系副词when在此相当于at which。表示在某一时刻，英语习惯上用介词at，如at that time, at the moment等，所以此处用at which。
2. where的用法
关系副词where在定语从句中也是用作状语，表示地点，用以修饰表示地点的先行词;在许多情况下也可以理解为“介词+which”的意思(which的意思与先行词所表示的意思等价)，其中的“介词”通常应根据先行词的含与搭配来确定。如：
What is the name of the town where you live? 你住的那个城市叫什么名字?
句中的where you live为修饰the town的定语从句，关系副词where在此相当于in which。表示在住在某城市，英语习惯上说明live in a city，所以此处用at which。
This cross marks the spot where she died. 这个十字符号标明她死去的地点。
句中的where she died为修饰the spot的定语从句，关系副词where在此相当于at which。表示在在某一地点，英语习惯上说明at a spot，所以此处用at which。
3. why的用法
关系副词why在定语从句中也是用作状语，表示原因;why引导定语从句时，其先行词只有一个，那就是the reason;在许多情况下why也可以理解为for which。如：
These are the reasons why we do it. 这些就是我们这样做的理由。
句中的why we do it为修饰the reason的定语从句，关系副词why在此相当于for which。
Do you know the reason why she doesn’t like me? 你知道她不喜欢我的原因吗?
句中的why she doesn’t like me为修饰the reason的定语从句，关系副词why在此相当于for which。
why是一个比较特殊的关系副词，它引导定语从句时，除可换成for which外，有时也可换成that，甚至省略。如：
他失去工作的主要原因是他喝酒。
正：The main reason why he lost his job was that he drank.
正：The main reason for which he lost his job was that he drank.
正：The main reason that he lost his job was that he drank.
正：The main reason he lost his job was that he drank.
七、限制性和非限制性定语从句
根据从句与主句的关系是否紧密来区分，定语从句可分为限制性定语从句和非限制性定语从句两大类。
所谓限制性定语从句，它的作用是对先行词起修饰、限制或确定的作用，若去掉，先行词的意思就不明确，它是不可缺少的一部分，它与先行词的关系密不可分，不可用逗号将其分开。
而非限制性定语从句的作用则只是对先行词起补充说明作用，它是可有可无的，与先行词关系松散，通常用逗号将其分开。因此，有无逗号通常是区分限制性定语从句和非限制性定语从句的重要标志。
从所使用的关系词来看，在限制性定语从句中，that可以代替who, whom和which等，但在非限制性定语从句中不能用that。如：
He changed his mind, which made me very angry. 他改变了主意，这使我很生气。
句中的which引导非限制性定语从句，不可换成that。
Then he met Mary, who invited him to a party. 后来他遇到玛丽，玛丽邀请他去参加晚会。
句中的who引导非限制性定语从句，不可换成that。
另外，关系副词when和where既可引导限制性定语从句，也可引导非限制性定语从句;但关系副词why则只能引导限制性定语从句，不能引导非限制性定语从句。
We’ll 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。
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。
以上两句中的关系副词when和where均引导非限制性定语从句。
八、关系代词还是关系副词
一般说来，当先行词是表示时间的名词时，其后要用关系副词when来引导定语从句;先行词是表示地点的名词时，其后要用关系副词where来引导定语从句。但这只是一般情况，有时会有特殊情况噢!不信你看看下面的句子：
Don’t forget the time that I’ve told you. 不要忘记我告诉你的时间。
This is the house that he bought yesterday. 这就是他昨天买的那座房子。
这两句均含有定语从句，它们所修饰的先行词分别为the time和the house，分别为表示时间和地点的名词，但为什么后面接的是关系代词that，而不是关系副词when和where呢?
要弄清这个问题，我们先来回顾一下关系代词和关系副词的用法。前面我们讲到，关系代词具有代词的功能，在定语从句中可用作主语或宾语等;而关系副词则具有副词的功能，它们在定语从句中只能用作状语。所以，当我们要判断一个时间或地点名词后是用关系词that 还是关系副词when和where时，我们首先要明确关系词在定语从句是用作什么成分——用作主语或宾语，则用关系代词;用作状语，则用关系副词。
现在我们再来分析一下上面的两个句子：
在Don’t forget the time that I’ve told you中，定语从句that I’ve told you之所以要用that来引导，是因为从句中的动词told缺宾语，tell在此所用的句型是tell sb sth，所以定语从句要用关系代词引导。
在This is the house that he bought yesterday中，定语从句hat he bought yesterday之所以也要用that来引导，同时是因为从句中的动词bought缺宾语，所以定语从句也要用关系代词引导。
确定用关系代词还是用关系副词的简便方法是：看定语从句中是否缺少主语或宾语，若缺，用关系代词;若不缺，用关系副词。
;
定语从句的用法归纳
定语从句归纳及用法 1
I 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，英语定语从句知识和用法概述。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，在从句中作主语和宾语。例如：
Is he the man who/that wants to see you? 他就是你想见的人吗？（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 prosperity which / that had never been seen before appears in the countryside.
农村出现了前所未有的繁荣。（which / that在句中作宾语）
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）
II. 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）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，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，在口语中that常被省略。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。
III.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；而不及物动词则要求用关系副词。例如：
This is the mountain village where I stayed last year. 这是我去年呆过的山村。
I'll never forget the days when I worked together with you.我永远不会忘记与你共事的日子。
判断改错：
（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。
例1. Is this museum ___ you visited a few days age?
A. where B. that C. on which D. the one
例2. Is this the museum ____ the exhibition was held.
A. where B. that C. on which D. the one
答案：例1 D，例2 A
例1变为肯定句： This museum is ___ you visited a few days ago.
例2变为肯定句： This is the museum ___ the exhibition was held.
在句1中，所缺部分为宾语，而where, that, on which都不能起到宾语的作用，只有the one既做了主句的表语，又可做从句的宾语，可以省略关系代词，所以应选D，英语语法《英语定语从句知识和用法概述》。
而句2中, 主、谓、宾俱全，从句部分为句子的状语表地点，既可用副词where，又因 in the museum词组，可用介词in + which 引导地点状语。而此题中，介词on 用的不对，所以选A。
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） 。
IV. 限制性和非限制性定语从句
1） 定语从句有限制性和非限制性两种。限制性定语从句是先行词不可缺少的部分，去掉它主句意思往往不明确；非限制性定语从句是先行词的附加说明，去掉了也不会影响主句的意思，它与主句之间通常用逗号分开。例如：
This is the house which we bought last month. 这是我们上个月买的那幢房子。（限制性）
The house, which we bought last month, is very nice.这幢房子很漂亮，是我们上个月买的。（非限制性）
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。
说明：关系代词that和关系副词why不能引导非限制性定语从句。
V. 介词+关系词
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 和where 互换。例如：
This is the house in which I lived two years ago. 这是我两年前住过的房子。
This is the house where I lived two years ago.
Do you remember the day on which you joined our club? 还记得你加入我们俱乐部的那一天吗？
Do you remember the day when you joined our club?
VI. as, which 非限定性定语从句
由as, which 引导的非限定性定语从句，as和which可代整个主句，相当于and this或and that。As一般放在句首，which在句中。例如：
As we know, smoking is harmful to one's health. 如我们所知，吸烟有害健康。
The sun heats the earth, which is very important to us. 太阳使地球暖起来，这对我们人类很重要。
典型例题
1）Alice received an invitation from her boss, ___came as a surprise.
A. it B. that C. which D. 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. what B. which C. that D. 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. that B. which C. as D. it
答案B. as 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.。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 same…as；such…as 中的as 是一种固定结构, 和……一样……。例如：
I have got into the same trouble as he （has）. 我碰到了跟他一样的麻烦。
例2. as可引导非限制性从句，常带有'正如'。例如：
As we know, smoking is harmful to one's health. 如我们所知，吸烟有害健康。
As is known, smoking is harmful to one's 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。
VII. 先行词和关系词二合一
1） Whoever spits in public will be punished here. （Whoever 可以用 anyone who 代替）
定语从句归纳及用法 2
一、定语从句的识别
1、结构识别：名词+连接词+句子
【例句】Kevin gave us a wonderful training course, which left us a deep impression.
【解析】这个句子的前身应该是这样的：Kevin gave us a wonderful training course. It left us a deep impression. it就是指代前面这个句子，这样两个句子就有了共有的名词，连接两个具有共同名词的句子是定语从句的作用，就可以用which代替it，这样就有了示例中的非限定性定语从句。
2、常用连接词：
关系代词：who, whom, which, that, as, whose
关系连词：when, where, why, how
介词+关系代词：as和that以及who一般不能接到介词后引导句子
二、定语从句的处理方法
1、按照定语的处理方法将定语从句前置，这种处理方式适用于比较短的和起修饰限定作用的定语从句。
2、在考研中大多数的定语从句起的作用是连接句子，因此我们通常把定语从句从整个句子中独立拆分出来单独成为一个句子，这种处理方法的关键是找到连接词，拆分点就是连接词。
对于“介词+连接词”引导的定语从句，拆分点就在介词处。
【例句】There is something by virtue of which man is man.
【译文】存在一种特性，人之所以为人就是由于这种特性。
【解析】这句话其实是由以下两句话变来的：
1)There is something.
2)Man is man by virtue of this thing.这两句话中有共有的名词something和this thing，用which替换掉this thing再把of which提前，得到：There is something of which man is man by virtue
三、例句分析
【例句】Such large, impersonal manipulation of capital and industry greatly increased the numbers and importance of shareholders as a class, an element in national life representing irresponsible wealth detached from the land and the duties of the landowners; and almost equally detached from the responsible management of business.
【译文】对资本和企业的这种大规模的非个人操纵大大增加了股东作为一个阶级的数量和重要性。这个阶层作为国计民生的一部分，代表了非个人责任的财富与土地及土地所有者应尽义务的分离，而且也几乎与责任管理相分离。
【解析】句子的主干为：Such large, impersonal manipulation of capital and industry greatly increased…shareholders as a class, (which was) an element…这句话的难点还在于其主语和宾语都有较长的短语和of结构限定，并且分句是由两个and相连的3个部分组成的。
分句an element…landowners又带有两个定语从句，一个是(which was)representing…，另一个是(which was)detached…。可见，定语从句的难点在于经常省略“引导词+be”的结构，从而在理解上容易和分词结构相混淆。实际上定语从句并不符合汉语的使用习惯。所以翻译时遇上定语从句，一定不要机械地按照原来的顺序生搬硬套。像这样分句较长的情况，把主句和分句拆为两句是比较好的方法。所以这里从“这个阶层”开始另起一句。
定语从句归纳及用法 3
定语从句在初中英语中的重要性主要体现在完形、阅读和写作中，因此，能否较好的掌握定语从句直接关系到你英语成绩的拔高。其实，定语从句并不难.
一. 定语从句的概念
在复合句中，修饰某一名词或代词的从句叫定语从句。被修饰的名词或代词叫先行词，引导定语从句的词叫关系词，定语从句一般放在先行词的后面。
二. 引导定语从句的关系词
引导定语从句的关系词有关系代词和关系副词，常见的关系代词包括that， which， who（宾格whom，所有格whose）等，关系副词包括where， when， why等。关系代词和关系副词放在先行词及定语从句之间起连接作用，同时又作定语从句的重要成分。
三. 定语从句的分类
根据定语从句与先行词的关系，定语从句可分为限制性定语从句及非限制性定语从句。限制性定语从句紧跟先行词，主句与从句不用逗号分开，从句不可省去。非限制性定语从句与主句之间有逗号分开，起补充说明作用，如省去，意思仍完整。
四. 关系代词的用法
1. that 既可以用于指人，也可以用于指物。在从句中作主语、宾语或表语。作主语时不可省略，作宾语可省略。例如：
Mary likes music that is quiet and gentle.
玛丽喜欢轻柔的音乐。（that作主语）
The coat （that） I put on the desk is blue.
我放在桌子上的那件外套是蓝色的。（that作宾语）
2.which用于指物，在句中作主语、宾语或表语。作主语不可省略，作宾语可省略。例如：
The building which stands near the train station is a supermarket.
位于火车站附近的那座大楼是一家超市。（作主语）
The film （which） we saw last night was wonderful.
我们昨天晚上看的那部电影很好看。（作宾语）
3.who， whom用于指人，who 用作主语，whom用作宾语。在口语中，有时可用who代替whom。who和whom作宾语时也可省略。例如：
The girl who often helps me with my English is from England.
经常在英语方面帮助我的那个女孩是英国人。（作主语）
Who is the teacher （whom） Li Ming is talking to？
正在与李明谈话的老师是谁？（作宾语）
注意：
（1）当定语从句中含有介词，介词放在句末时，who，whom，that， which可省略，但介词在关系代词前时，只能用介词+which/whom结构。例如：
This is the house in which we lived last year.
这是我们去年居住的房子。
Please tell me from whom you borrowed the English novel.请告诉我你从谁那借的这本英文小说。
（2）含有介词的固定动词词组中，介词不可前置，只能放在原来的位置上。例如：
This is the person whom you are looking for.
这就是你要找的那个人。
（3）that 作介词的宾语时，介词不能放它的前面，只能放在从句中动词的后面。例如：
The city that she lives in is very far away.
她居住的城市非常远。
（4）关系词只能用that的情况：
a. 先行词被序数词或形容词最高级所修饰，或本身是序数词、基数词、形容词最高级时，只能用that，而不用which.例如：
He was the first person that passed the exam.
他是第一个通过考试的人。
b. 被修饰的先行词为all， any， much， many， everything， anything， none， the one等不定代词指物时，只能用that，而不用which.例如：
Is there anything that you want to buy in the shop？
你在商店里有什么东西要买吗？
c. 先行词被the only， the very， the same， the last， little， few 等词修饰时，只能用that，而不用which.例如：
This is the same bike that I lost.
这就是我丢的那辆自行车。
d. 先行词里同时含有人或物时，只能用that， 而不用which.例如：
I can remember well the persons and some pictures that I saw in the room.
我能清楚记得我在那个房间所见到的人和一些照片。
e. 以who或which引导的特殊疑问句，为避免重复，只能用that.例如：
Who is the girl that is crying？
正在哭泣的那个女孩是谁？
f. 主句是there be 结构，修饰主语的定语从句用that，而不用which，例如：
There is a book on the desk that belongs to Tom.
桌子上那本书是汤姆的。
（5）关系词只能用which，而不用that 的情况：
a. 先行词为that， those时，用which， 而不用that.例如：
Whats that which is under the desk？
在桌子底下的那些东西是什么？
b. 关系代词前有介词时，which，而不用that.例如：
This is the room in which he lives.
这是他居住的房间。
c. 引导非限制性定语从句，先行词指事物时，用which， 而不用that，例如：
Tom came back， which made us happy.
汤姆回来了，这使我们很高兴。
五. 关系副词的用法
1. when指时间，其先行词表示时间，when在定语从句中作时间状语。例如：
This was the time when he arrived.
这是他到达的时间。
2. where指地点，其先行词表示地点，where在定语从句中作地点状语。例如：
This is place where he works.
这是他工作的地点。
3. why 指原因，其先行词是原因，why在定语从句中做原因状语。例如：
Nobody knows the reason why he is often late for school.
没人知道他为什么上学总迟到。
英语定语从句用法归纳
一．几个基本概念
1.定语从句的定义：用作定语的从句叫定语从句。
2.先行词：被定语从句所修饰的名词或代词。
3.定语从句的位置：紧跟先行词（名词或代词）之后。
4.引导词：引导定语从句的词（包括关系代词和关系副词）。
﹙1﹚关系代词：that/who/whom/which/as
﹙2﹚关系副词：when/where/why
5.引导词的位置：位于定语从句之前（先行词之后）。【as除外】
6.引导词的功能（作用）：
﹙1﹚连接先行词和定语从句。
﹙2﹚在定语从句中充当一定的成分（关系代词充当主语或宾语，关系副词充当状语）。
7.定语从句的类型：
﹙1﹚限定性定语从句（主句和定语从句之间无逗号）。
① 直接由引导词引导定语从句
The man who you’re talking to is my friend.
② 由介词+关系代词（whom/which）引导
The man to whom you’re talking is my friend.
I need a pen with which I can write a letter.
=I need a piece of paper on which I can write a letter.
介词的选用可根据从句中的相关词组确定 ，该介词通常可以放在关系代词之前，也可放在从句之尾。例如：
The man (who/whom/that) I talked about at the meeting is from Beijing University.
=The man about whom I talked at the meeting is from Beijing University.
The palace (which/that) I often pay a visit to was built in the 17th century.
=The palace to which I often pay a visit was built in the 17th century.
﹙2﹚非限定性定语从句（主句和定语从句之间用逗号隔开）。
① 直接由引导词引导定语从句。
② 由介词+关系代词（whom/which）引导。
I live in a house far away from the city, in front of which is a big tree.
There is an apple tree standing at the gate, on which are many apples.
This is the man to whom I gave the book.
③ 由“代词/名词+of+whom/which”或“of which/ whom +名词/代词”(先行词指
人用whom,指物用which)引导。One, some, any, none, all, both, several, many, most, neither, either等词、数词、分数或百分比与of whom或of which连用。
He has five children, two of whom are abroad.
(比较：He has five children, and two of them are abroad.)
We have three books, none of which is/are interesting.
(比较：We have three books, but none of them is/are interesting.)
除why和that不能引导非限定性定语从句外，其余引导词都可以，用法同限定性定语从句一样。但要注意以下区别。
1.在形式上非限定性定语从句与主句有逗号隔开。
2.非限定性定语从句的作用：它只是补充说明先行词的情况，翻译时可译成两个句子。
The engineer, whose leg was badly hurt, was quickly sent to hospital.
（那位工程师被很快送往医院，其腿部受了重伤）
The engineer whose leg was badly hurt was quickly sent to hospital.
（那位腿部受了重伤的工程师被很快送往医院）
3.在非限定性定语从句中，任何引导词都不能省略（包括引导词在此定语从句中充当宾语在内）。指人做主语时只能用who, 做宾语时用whom; [要学习网-中学生最喜欢的学习论坛；网址***手机版地址***]
指物做主语，宾语都用which; 关系副词用when或where，也不能省略。
The man, ______ is sitting on the chair, is my father.
The woman, _______ I met yesterday, is my English teacher.
The city, _______ is far away, is very beautiful.
He went to America, ______ his parents live.
He joined the Army yesterday, ______ I left, too.
4.whose引导非限定性定语从句：
The house, whose window faces south, is mine.
=The house, the window of which faces south, is mine.
＝The house, of which the window faces south, is mine.
二.定语从句中关系代词和关系副词的基本用法
1.who/that指人是主格在定语从句中代替先行词，又作定语从句的主语，不能省略。
Do you know the gentleman who/that is sitting there?
2.whom/who/that指人是宾格，在定语从句中代替先行词，又作定语从句的宾语（动宾或介宾）。
① 当作动宾（动词后接宾语）时，关系代词可省略。
Do you know the gentleman (whom/who/that) we met just now?
② 当作介宾（介词后接宾语）时：
介词不提前时，关系代词可省略；
介词提前时，关系代词不可省，即介词＋whom(指人时介词后的关系代词只能用whom)。
The man (whom/who/that) I spoke with is my teacher.
The man with whom I spoke is my teacher.
※注：固定的动词短语（动词+介词）如look for, take care of等不能把动词与介词拆开，既介词不能提至引导词前。
She is the right girl (who/whom/that) we are looking for.
3.whose: 指人或物，是所有格“…的”形式。Whose+n.一起在定语从句中充当主语、宾语（动宾或介宾）即先行词的什么东西怎样了，whose不能省略。。Whose+n. = the +n. + of which/whom= of which/ whom+ the =n.
I didn’t find the desk whose leg was broken. （主语）
He is the student whose pencil I broke yesterday. （动宾）
The boss in whose company I work is very kind. （介宾）
4.which/that 指物，指代先行词且在定语从句中作主语或宾语（动宾或介宾）。
① 当作动宾时，关系代词可省略。
② 当作介宾时：
介词不提前时，关系代词可省略；
介词提前时，关系代词不可省，即介词＋which(指物时介词后的关系代词只能用which)。
The house which/that was destroyed in the earthquake is weak.
The pen (which/that) you found yesterday is mine.
The games (that/which) the young men competed in were difficult.
The games in which the young men competed were difficult.
※注:介词+关系代词即介词+whom/which(先行词指人用whom，指物用which)。
※5.as指人或物，在定语从句中可作主语，宾语，表语或状语，不能省略。主要用于 “the same …as…；such …as…；so …as…；as … as…；as follows”固定结构中，形式固定此时的引导限定性定语从句。要用as代替who(m), which, 或that引导定语从句：
Such people as knew Hill thought he was honest.
Such people as Hill knew thought he was honest.
My hometown is no longer the same as it was.
Here is so big a stone as no one can lift.
The child knows as much as grow-ups (know).
I’d like to have the same books as are used in your school.
He is not such a person as I expected.
He will marry as pretty a girl as he can find.
※注：which和as可引导非限定性定语从句：可以指代主句中的一部分或整个句子的内容，which和as都可以指代主句中的一部分或整个句子的内容，有时可以互换。因此，当as/which指代前面的整个句子，或前句中的部分内容作定语从句的主语时，谓语用单数．
Our team lost the game, as/which was reported in the newspaper.
She was terrified, as/which I could see from her eyes.
He married her, as/which was natural.
区别：
①as引导的非限制性定语从句可以放在主句前面、插在主句中间或放在主句末尾；而which引导的非限制性定语从句只能放在主句后面。
He married her, as/which was natural.
=As was natural, he married her.
Mark Twin is a great writer, which/as is known to all.
=As is known to all, Mark Twin is a great writer.
②as引导的从句有“正如”、“正像”之意，而which则无此意。常用句型有：
as we all know, as is known to all, as everybody can see, as is expected, As is known/ said/ reported/ told/ we all know等。如：
As we all know, paper was first made in China.
To shut your eyes to facts, as many of you do, is foolish.
③主句和从句有因果关系时，用which.
Our class has won the football match, which made us very happy.
Bamboos are hollow, which makes them very light.
④从句含否定意义时常用which.
She didn’t pass the exam, which we couldn’t expect.
She didn’t pass the exam, as we expected.
6.when关系副词：指时间。在定语从句中作时间状语，不能省略。此时的when还可用介词+which替换（此时先行词一定是表时间的名词）。
I still remember the time when I joined the League.
＝I still remember the time on which I joined the League.
＝I still remember the time (which/that) I joined the League on.
7.where关系副词：指地点。在定语从句中作地点状语，不能省略。此时的when还可用介词+which替换（此时先行词一定是表地点的名词）。
I still remember the school where I joined the League.
＝I still remember the school in which I joined the League.
＝I still remember the school (which/that) I joined the League in.
※注：对关系副词when, where的认识。
①. 先行词是时间的名词，并非都用关系副词when引导定语从句。
I’ll never forget the time (which/that) I spent in Beijing.
②. 先行词是地点的名词，并非都用关系副词where引导定语从句。
This is the factory (which/that) he visited yesterday.
③. 当句型为It/This/That is(was) the first(second…last) time引起的句子时用that连接其后的句子。此时的time是次数，不是时间。
It/This is the first time that we travel.
It/This is the last time that I shall give you a lesson.
8. why指原因，在定语从句中作原因状语，先行词通常为reason,不能省略。且why引导的定语从句只能是限定性定语从句。Why= for which
I don’t know the reason why he was late yesterday.
The reason why(for which) he was late is that he missed the bus.
※注：当先行词为reason时，关系副词并非都用why。
This is the reason (that/ which) he gave/ explained to us.
【判断用关系代词还是关系副词】
从句缺少的是主语、宾语还是状语是确定用关系代词还是关系副词的关键。试比较：
I will never forget the day (which/that) I spent in Hongkong.
( spent是及物动词，后缺宾语，因此用关系代词或省略 )
I will never forget the day when/on which Hongkong returned to its motherland.
（ 从句主谓宾结构完整，缺状语，因此用关系副词或介词加关系代词 ）
The reason （that/which）he gave for not coming to school yesterday isn’t believable.
( gave是及物动词，后缺宾语，因此用关系代词或省略 )
The reason why he didn’t come to school yesterday isn’t believable.
（ 从句主谓宾结构完整，缺状语，因此用关系副词或介词加关系代词 ）
三. 值得注意的几个问题：
第一. 当先行词是物时，关系代词(that/which)只用that的情况。
1.当先行词被序数词或形容词的最高级修饰时。
This is the best film that has been shown this year.
This is the first book (that) I borrow from the library.
※He is the first student that/who came to school today.
2.当先行词为两个或两个以上分别指人和物的名词时。
He talked about the teachers and the school (that) he had visited.
3.当先行词本身是all的，用that。(all that=what)
All that (what) I want to say to you is “Thank you”.
=All (what) I want to say to you is “Thank you”.
Go over all that (what) we learned.
=Go over all (what) we learned.（that在定语从句中充当宾语可以省略）
4.先行词为something, anything, nothing, everything, thing时，用that.
I’ll tell you anything (that) I know.
5.当先行词前有all, much, little, many, (a) few, every, some, any, no, only, the very, one of, the only, the last, the next等修饰语时。
This is one of the books (that) I’m very interesting in.
※ This is one of the books in which I’m very interesting.
This is the only book (that) I read.
He is the only one of the boys that likes playing the piano.
All the glasses that were on the table fell off onto the floor.
6.（人，物），当先行词在以who或which开头的特殊疑问句中时，用that引导以避免混淆．
Who is the man that is talking with the lady?
Which of you that know the answer can come to the front?
7.当先行词是在定语从句中作表语时，用that．
He likes the girl that she used to be.
第二. 当先行词是物时，关系代词(that/which)只用which的情况。
1.作介宾且介词置于引导词之前时．
The room in which he lives is very large.
2.引导非限定性定语从句时（主，宾都用which, 都不能省略）．
Football, which is a very interesting game, is played all over the world.
The house, which I visited yesterday, is very large.
3.which指整个句子的内容或部分内容，引导非限定性定语从句．
He always makes fun of me, which upsets me.
第三. 其他特殊情况．
1.先行词是these, those指人时，关系代词只用who.
Those who are playing over there are my students.
2.先行词是人称代词(he, she…)时，关系代词只用who.
He who doesn’t reach the Great Wall is not a true man.
3.不定代词someone, anyone, everyone, no one, somebody, anybody, everybody作先行词时，关系代词用who.
Anybody who breaks the rules would be punished.
4.①先行词是the only one of +可数名词复数，在定语从句中作主语时，定语从句中的谓语用单数形式（因为此时的先行词是the only one,而不是of 后的可数名词复数）．
He is the only one of the boys that likes playing the piano.
This is the only one of the books that is borrowed.
②先行词是one of +可数名词复数，在定语从句中作主语时，定语从句中的谓语用复数形式（因为此时的先行词是of 后的可数名词复数,而不是one）． [要学习网-中学生最喜欢的学习论坛；网址***手机版地址***]
This is one of the students who are late.
5.当主句缺先行词时，用the one 代替，但须注意：the one只能代替可数名词单数．如为不可数名词时，指什么用什么．
Is this school the one I visited yesterday?
Is pop music the music he likes best?
6. 当先行词是the way, 在定语从句中充当方式状语时（the way表＂以…方式／方法＂），引导词通常用that或省略，也可用in which．
I don’t like the way (that) you speak.
=I don’t like the way in which you speak.
=I don’t like the way (which/that) you speak in.
【“介词+关系代词”十种情况】
在定语从句中，介词+关系代词结构是一种较为复杂的问题。现就几种常见的介词+关系代词的结构浅析如下：
1．介词+which在定语从句中分别作时间、地点和原因状语，代替相应的关系副词when, where和why。如：I still remember the day on which (when) I first came to school.我仍然记得初来学校的那一天。
The factory in which (=where) I work is a large one.我工作的工厂是一个大工厂。
This is the reason for which (=why) he was late.这就是他为什么迟到的原因。
2．介词+which（指物）/ whom（指人）在定语从句中作地点状语，表示存在关系，定语从句主谓一般要倒置。
They arrived at a farmhouse, in front of which sat a small boy.他来到一处农舍，前边坐着一个小男孩。
I saw a man, on the head of whom stood a bird.我看见一个人，他的头上站着一只鸟。
3．介词+ which（指物）/ whom（指人）在定语从句中作目的、方式或地点状语。这种结构中的介词一般受动词或介词后的名词所制约。如：
Could you tell me for whom you’ve bought this coat?你能告诉我这件衣服是给谁买的吗？
The man, from whom I learned the news, is an engineer.这人是一位工程师，我是从他那里得到这消息的。
4．介词+which/whom，用于被动结构的定语从句中，作状语，说明动作的出发者。如：
The wolf by which the sheep was killed was shot.
The man by whom the wolf was shot was a good hunter.打死狼的那人是个好猎手。
5．不定代词+of+which/whom，在定语从句中作主语，说明整体中的部分，常用的不定代词有：both, all, any, some, each, none, most等。如：
There are a lot of books here, none of which belongs to me.这儿有许多书，可一本也不属于我。
Yesterday Mary bought a few clothes, all of which were expensive.昨天玛丽买了一些衣服，他们都很贵。
6．数词+of+which/whom，在定语从句中作主语，说明整体与部分的关系。数词可以是基数词、序数词、分数或百分数。如：
In our class there are fifty-four students, twenty-five of whom are girls.我们班有54名学生，25人是女生。
Two watches were stolen, one of which was mine.两只手表被偷了，其中一只是我的。
7．名词+of+which代替whose+名词，在定语从句中作定语。如：
I saw some trees, the leaves of which (=whose leaves) were black with disease.我看见一些树，他们的'叶子因害病而发黑。
I live in a house, the windows of which are all broken.我住在一所房子里，其窗都破了。
8．介词+ which（指物）/ whose（指人）修饰后边的名词。如：
It rained all night and all day, during which time the ship was broken into pieces.雨下了一天一夜，就在这期间轮船撞碎了。
The driver was the man from whose room she had stolen the maps.司机就是那个人，她从他的房间偷走地图。
9．形容词最高级+of+which/whom结构，在定语从句中，作定语，表部分关系。如：
China has thousands of islands, the largest of which is .中国有成千上万个岛屿，其中最大的是台湾岛。
In our class there are twenty girls, the cleverest of whom is Li Hua.我们班有20名女生，最聪明的是李华。
10．介词+which+不定式。此种用法多见于正式文体中，相当于一个定语从句。如：
At last he had something about which to write home.他终于有了给家里写信的内容了。
He had no key with which to open the door.他没有开门的钥匙。
He has a small room in which to live.
【运用定语从句时应注意的几个问题】
1． 关系代词在定语从句中作主语时，定语从句的谓语动词应和先行词的人称和数保持一致。
This is one of the books which were written by Mark Twain.这是马克吐温所写的书中的一本。（先行词是books，因此动词应用were。）
2． 关系代词或关系副词在从句中充当一个句子成分，因此要注意避免从句中句子成分的重复出现。
This is the most beautiful place that I have visited it.
This is the most beautiful place that I have visited. 这是我参观过的最美的地方。（去掉it，因that代替先行词the most beautiful place在定语从句中作visit的宾语，再加it就多余了。）
The school where I worked there is a big one.
The school where I worked is a big one.我所工作过的学校是一所大学校。（去掉there，因where既引导定语从句，又在从句中代替in the school作状语。）
3． 关系代词在定语从句中作主语时不可省略。
The books were on the table were given to you.
The books that were on the table were given to you.桌上的那些书是给你的。（关系代词that作主语不能省）
4． “one of the +复数名词”后的定语从句中谓语动词的单复数情况。
“one of the +复数名词”时，复数名词是先行词，所以谓语动词常用复数形式。如果“one of the +复数名词”前面有the very /only等修饰语，则谓语动词用单数形式，因为先行词是，而不是复数名词。如：
He is the only one of the students who speaks Japanese in our class.他是我们班唯一说日语的学生。（the only one是先行词）
He is one of the students who speaks Japanese in our class.他是我们班里说日语的学生之一。（students是先行词）
5． 定语从句中who和whom的选用。
关系代词who/whom引导定语从句时，作主语用主格who，作宾语用宾格whom。在其引导的定语从句带有插入语，而又不用逗号分开时，要用who。
Mary is a girl who I think is clever.
在定语从句who I think is clever中, I think是插入语，去掉后Mary is a girl who is clever是一个完整的句子，who是定语从句的主语，不能用whom替换。但下面的句子，情况就不同了：
Mary is a girl whom I think to be clever.在定语从句whom I think to be clever中，如把I think看作插入语而去掉，则剩下的部分Mary is a girl whom to be clever很明显不是一个完整的句子结构，所以I think不能被看作是插入语，而是定语从句在的主谓结构，whom作think的宾语，to be clever是whom的宾补。
6． 定语从句中关系代词或关系副词的选择取决于它们在从句中所充当的句子成分。如作主语和宾语用关系代词；作状语，用关系副词。
I’ll never forget the day when I went abroad myself.（when在从句中代替时间状语on the day，此句可分解为I’ll never forget the day. I went abroad myself on the day.）
I’ll never forget the days that we spent together.（that代替the days，在从句中作spent的宾语，该句可分解为I’ll never forget the days. We spent the days together.）
定语从句的用法归纳总结
一. 定义： 定语由一个句子来充当，那么这个句子就叫做定语从句。
eg: 其中划线部分为定语从句。
二. 分类： 分为限制性定语从句和非限制性定语从句，还有间隔性定语从句。 (限制性定语从句)
(非限制性定语从句)
( 间隔性定语从句)
注：定语从句和非限制性定语从句的区别
限制性定语从句无逗号隔开、不可缺少、起修饰限制作用;而非限制性定语从句有逗号隔开、可有可无、起补充说明作用。
三. 构成： 定语从句有先行词、引导词和从句构成。
先行词是定语从句所修饰限制的名词或代词。
引导词是用来引导定语从句的关系代词或关系副词。
eg: The old town has narrow streets and small houses that are built close to each other. 此句中先行词为：narrow streets and small houses, 引导词为：that， 定语从句为：that are built close to each other
四.基本原则
定语从句中不能出现与先行词在意义上相一致的词 与book指同一物，所以要去掉。)
五.定语从句中常见考点：
考点一.关系代词和关系副词的辨别
1. 关系代词that(人、物)，which(物)、who(m)(人)、whose(某人的，某物的)、as
2. 关系副词when(表时间)、where(表地点)、why(表原因)
注：关系副词可变为“介词+关系代词”结构(即：关系副词=介词+关系代词)。
eg:This is the mountain village where(=in which)I stayed last month.
3. 怎样选择正确的关系代词或关系副词 方法一：找出先行词和定语从句中动词，看定从中动词与先行词能否构成习惯搭配。能，用关系代词;不能，用关系副词.
Eg.I will never forget the day定从中动词spent 与先行词
the day 构成spent the day ,所以用关系代词that或which或省略)
系代词。如不缺少，定语从句所表达意思相对完整，用关系副词。
eg:①.This is the factory ____ made cars . (缺少主语，所以用关系代词that 或which，作主语不能省略)
②.This is the reason _______ he was late for school.(定语从句he was late for school 表
达意思相对完整，所以用关系副词why 或介词+关系代词for which) 注意：当先行词为case、position、point、situation、society、activity等抽象意义的名词时，常用关系副词where引导定语从句.
eg:He got himself into a dangerous situation where he may lose control of the plane .
考点二. 定从中that 与which的区别
1. 关系代词只用that的情况。
(1)当先行词为不定代词(all、much、little、few、some、any、none、one、something、anything、everything等)或先行词被不定形容词(all、many、some、few、little等)修饰时。 that you want to say for yourself?
(2)当先行词既有人又有物时。 that you are talking about.
(3)当先行词含有序数词或最高级时。
eg: ① will go to Beijing.
②(4)当先行词被only、very、next、last等修饰时。
that I’m looking for.
(5)在who或which引导的特殊疑问句中。 that you lost?
(6)当关系代词在定语从句中作表语时。 that it used to be.
2.关系代词只用which的情况。
(1)引导非限制性定语从句时。
eg:He turned to be a very successful man,(2)在“介词+关系代词”结构中，关系代词只用which。
eg:This is the question they have so much discussion in the past few weeks.
(3)当关系代词后有插入成分时。
eg: Mary was much kinder to Jack than she was to the others, which, of course, made all the others upset.
3.指人时，关系代词只用who(m)的情况。
(1)引导非限制性定语从句时。 (2)当“介词+关系代词(宾格形式)”结构引导定语从句时。 (3)当关系代词后有插入成分时。
eg:This is my friend who,I think,is the best in our class. .
(4)在There be句型结构中，先行词指人时。
eg:There is a young lady who asks for you.
考点三：as的用法及as与which的区别
1. as引导的定语从句
(1)as常用于固定搭配中：the same. . . as，such…as，as/so…as
eg:①比较：Zhengzhou is such a wonderful city that everyone likes to visit it.
注意：第一句是定语从句，所以定从中没有出现与先行词city 意义上一致的词，第二句是状语从句，that 后应为完整句子，所以it 不能省略。
②同样的但不是同一辆)
比较：Today he wears the same coat that he did yesterday .(同一件衣服)
(2)as常用于固定句型中：as we all / everyboby know(s), ,as is often the case,as we expect等。
eg:As we all know,Zhengzhou is an attractive city.
2.在非限制性定语从句中，as与which的'区别
⑴指代整句话内容时，as可位于主句前面、中间或后面;而which一般位于主句后。另外，which还可指代一个名词或一个短语。
eg①: As we all know,Tom is a good boy.
②：China,which was founded in 1949,is becoming more and more powerful.
③：She doesn't think she is wrong,which makes her teacher angry.(which指代上文整个句子)
⑵.aswhich没有，
eg: ①He succeeded this time,as had been expected.
②She has made great progress,which makes her parents very happy.
③As we all know,knowledge changes life.
考点四. 定从中所属关系的表达
whose引导定语从句时必须和名词放在一起。whose+n(s)
=the+n(s)+of which/whom
=of +which/whom+the+n(s)
考点五.定从中动词形式与先行词的一致
eg: ① ②
③
考点六. the way作先行词引导定从时，关系词可用in which/that/省略。
eg:I don’t like the way that/in which/省略he spoke to me.
考点七. 介词+关系代词
在这种结构中，关系代词表示人,只能用whom ;关系代词表示物,只能用which 。
*怎样选择正确的介词
1.根据定语从句中谓语动词的习惯搭配来决定。如：
① This is the pen on which I spent 10 yuan. (spend money on sth.为固定搭配)
② This is the pen for which I paid 10 yuan. (pay money for sth.为固定搭配)
2.根据先行词的搭配习惯来决定。如：
① I remember the day on which I graduated from high school.
(强调在具体某一天要用介词on)
② I remember the days during which I lived in Russia.
(强调在某几天时间内要用介词during)
③ I remember the month in which I got along with Tom(在month前介词要用in)
3. 根据从句中动词与先行词的逻辑关系。
Is that the newspaper for which you often write articles?
(write ...for the article)
4. 根据从句中形容词的习惯搭配。
①The secretary with whom the boss is not happy will be fired for her carelessness .
( be happy with "对表示满意") 老板对其不满意的那个秘书将由于她粗心而被解雇。
②He is a learned man with whom we are familiar .
( be familiar with 对...熟悉)他是一位我们熟悉的有学识的人。
5. 有些“动词+介词”的固定词组不可拆开用
常见的动词词组有：look for,look after, care for,send for,hear of，hear from, deal with,
get through,pay attention to等。 Eg .This is the watch (which/that) I am looking for.这是我正在找的手表。 This is the watch for which I am looking.(错误)
6. “不定代词both,some,any,many,(a)few,none，neither等 +of whom 或of which，表示整体与部分的关系或所属关系
eg: ①(很多苹果中有一些是红色)
比较：I have many apples and some of them are bad .
②比较：He has three children but none of them is kind to him .
7.“介词+which+to do”作定语的情况
介词+which+to do作定语相当于介词+which引导定语从句。其中定语从句主语与主句主语一致，且从句含有情态动词。
eg:①Frank’s dream was to have a shop in which to produce the workings of his own hands.
(=Frank’s dream was to have a shop in which he could produce the workings of his own
hands.)
②He has no house in which to live.(=He has no house in which he can live.)
8.“介词+where”引导的定语从句的情况
有时候，我们可以见到“介词+where”引导定语从句的情况。此时，where代替的是表示地点的介词短语。
eg:You can look out of the window,from where you get a good view.(其中where=out of the
window)
考点八：定从句与短语的转化
1. The girl (who is )dancing now just returned from Beijing.正在跳舞的女孩刚从北京回来
2. I love the stories (which were) written by Mary .我喜欢玛丽写的故事。
以上就是关于定语从句的用法归纳 ,英语中定语从句的用法的全部内容，以及定语从句的用法归纳 的相关内容,希望能够帮到您。
