定语从句,及物动词和不及物动词的用法是定语从句的 ..什么时候改用 什么时候不该用..好的+分

定语从句,及物动词和不及物动词的用法是定语从句的 ..什么时候改用 什么时候不该用..好的+分
定语从句,及物动词和不及物动词的用法
是定语从句的 ..什么时候改用 什么时候不该用..好的+分

定语从句,及物动词和不及物动词的用法是定语从句的 ..什么时候改用 什么时候不该用..好的+分
麻烦楼主说清楚!是说什么时候该用定语从句么?

定语从句http://blog.sina.com.cn/s/blog_4c80e728010099we.html
及物动词和不及物动词http://iask.sina.com.cn/b/3515509.html?from=related

及物动词
开放分类： 英语、语法
英语中按动词后可否直接跟宾语，可把动词分成及物动词与不及物动词。
及物动词： 字典里词后标有vt. 的就是及物动词。及物动词后必须跟有动作的对象（即宾语），并且可直接跟宾语。
如see 看见 (vt.) +宾语 I can see a boy.文字
其实所谓“及物”，就是后面可直接加宾语的动词，有被动形式，而不及物动词是...

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及物动词
开放分类： 英语、语法
英语中按动词后可否直接跟宾语，可把动词分成及物动词与不及物动词。
及物动词： 字典里词后标有vt. 的就是及物动词。及物动词后必须跟有动作的对象（即宾语），并且可直接跟宾语。
如see 看见 (vt.) +宾语 I can see a boy.文字
其实所谓“及物”，就是后面可直接加宾语的动词，有被动形式，而不及物动词是没有被动式的，也不可直接加宾语，需加上介词。
及物动词后面可直接接宾语，不及物动词后面不可直接接宾语，一般要加介词后再接宾语。实际上很多动词既是及物动词，又是不及物动词。我举一个例子，就说write。如I am writing.和I am writing a letter.在前一个句子write是不及物动词，在后一个句子write是及物动词。又如，see是及物动词，但在特殊情况下如seeing is believing。
不及物动词就是一个动作不能施加到另一个物体上，也就是后面不能加宾语。
例如：He is running. run这个动词就是不及物动词，后面不能加sth。（不能说跑什么东西）
分清及物不及物动词:
分清动词的及物不及物是在英语学习中必须解决的首要问题。动词及物与不及物通常有以下几种情况：
a．主要用作及物动词。及物动词后面必须跟宾语。可以用于："主＋谓＋宾"；"主＋谓＋双宾"；"主＋谓＋宾＋宾补"结构。如：
He reached Paris the day before yesterday.
Please hand me the book over there.
They asked me to go fishing with them.
类似的还有：buy, catch, invent, found, like, observe, offer, prevent, promise, raise, find, forget, receive, regard, see, say, seat, supply, select, suppose, show, make, take, tell....
b．主要用作不及物的动词。不及物动词后面不跟宾语。只能用与："主＋谓"结构。
This is the room where I once lived.
类似的还有：agree, go, work, listen, look, come, die, belong, fall, exist, rise, arrive, sit, sail, hurry, fail, succeed....
c．既可以用作及物又可以用作不及物的动词，其意义不变。如begin 都是作"开始"讲。everybody , our game begins. let us begin our game. 类似的还有：start, answer, sing, close, consider, insist, read, learn, prepare, pay, hurt, improve....
d．既可以用作及物又可以用作不及物的动词，其意义完全不同。
这类动词作不及物动词是一个意义；而作及物动词时却是另一个意义。如lift作不及物动词时是指烟雾的"消散"。we saw the mountain when the clouds lifted. 作及物动词时是"升高；举起"。
He lifted his glass and drank.
类似的还有：beat vi.跳动 vt. 敲、打; grow vi.生长 vt. 种植
play vi.玩耍 vt. 打（牌、球）,演奏 smell vi.发出（气味） vt. 嗅
ring vi.（电话、铃）响vt.打电话 speak vi.讲话 vt. 说（语言）
hang vi. 悬挂 vt. 绞死 operate vi.动手术 vt. 操作
在英语错误中，“及物动词＋介词＋宾语”（transitive verb+preposition+object），是常见的一种。所谓及物动词，就是谓语动词（predicative verb），不必通过介词引荐宾语。相反的，不及物动词（intransitive verb）是不带宾语的。有许多动词，虽然性质是及物的，但不一定要有宾语，如下列的①a和②a便是这种情形：
①a. We study every day.
b. Do you study English every day.
②a. Please write clearly next time.
b. Can you write your composition now?
如果本质上就是不及物动词，就不会有宾语；若要宾语，就要借介词之助，一起连用才行，如③b和④b;③a和④a是错的；
*③a. The children are listening the music.
b. The children are listening to the music.
*④a. She is laughing the crippled man.
b. She is laughing at the crippled man.
反之，及物动词不必靠介词，就可以带宾语，如上述的①b和②b ，又如⑤和 ⑥：
⑤ John is giving a book to me.
⑥ Who will answer this question?
如果无意中把介词加上，就错了，如：
*⑦ Who will answer to this question?
下列这句从房地产广告中看到的句子，也犯了同样的错：
“We have many buyers awaiting for available units here.”
“Awaiting”是个及物动词，后面的介词“for”是多余的，要去掉；不然把“awaiting”改为“waiting for”也行。
许多人习惯上喜欢把介词加到及物动词后面，然后才带出宾语。最常见的是“emphasize/stress on/upon”和“discuss about”，如：
⑧ Singaporeans seem to have emphasized on material gains.
⑨ In our education system, we stress upon examination results.
⑩ World leaders spent a lot of time discussing about worsening economic problems.
显然的，这三句里的介词“on/upon”和“about”是多余的，不必要的。
下面是些类似的错误：
● The young must obey to their elders.
● Do not approach to that odd-looking man.
● The audience attacked on the rude speaker.
● Nothing can escape from his parents' eyes.
● Do you hope to serve for your nation?
● When did Susan marry with Paul?
介词“to, on, from, for, with”都要去掉才对。
为什么会有这些错误呢？主因是分不清楚及物动词和不及物动词的性质。其次，就是对同一个动词及其名词的句型有些混淆。解决之道有二。第一，要把“及物动词＋宾语”和“不及物动词＋介词＋宾语”划分清楚，如：
? I did not answer him./ I did not reply to him.
? He reached Londan yesterday./ He arrived in London yesterday.
第二，把及物动词转化为名词，然后加上适当的介词和宾语，如：
? Don't approach such a person.
? Is oral practice a good approach to language teaching?

不及物动词
开放分类： 动词、语法、语言、外语、词性
英语中按动词后可否直接跟宾语，可把动词分成不及物动词与和及物动词。
不及物动词：字典里词后标有vi. 的就是不及物动词。不及物动词后不能直接跟有动作的对象（即宾语）。若要跟宾语，必须先在其后添加上某个介词，如to,of ,at后方可跟上宾语。具体每个动词后究竟加什么介词就得背动词短语了，如listen to,look at….
如：look 看 (vi.) x宾语(即不能直接加宾语). Look! She is singing.
Look carefully! (注意：carefully 是副词，不是名词，故不作宾语)
look at 看…….+宾语 Look at me carefully! (me是代词，作宾语)
at是小范围 in是大范围
如：
The students work very hard.学生们学习很努力。
She apologized to me again. 她再次向我道歉。
The accident happened yesterday evening.事故是昨天晚上发生的。
分清及物不及物动词:
分清动词的及物不及物是在英语学习中必须解决的首要问题。动词及物与不及物通常有以下几种情况：
a．主要用作及物动词。及物动词后面必须跟宾语。可以用于："主＋谓＋宾"；"主＋谓＋双宾"；"主＋谓＋宾＋宾补"结构。如：
He reached Paris the day before yesterday.
Please hand me the book over there.
They asked me to go fishing with them.
类似的还有：buy, catch, invent, found, like, observe, offer, prevent, promise, raise, find, forget, receive, regard, see, say, seat, supply, select, suppose, show, make, take, tell....
b．主要用作不及物的动词。不及物动词后面不跟宾语。只能用与："主＋谓"结构。
This is the room where I once lived.
类似的还有：agree, go, work, listen, look, come, die, belong, fall, exist, rise, arrive, sit, sail, hurry, fail, succeed....
c．既可以用作及物又可以用作不及物的动词，其意义不变。如begin 都是作"开始"讲。everybody , our game begins. let us begin our game. 类似的还有：start, answer, sing, close, consider, insist, read, learn, prepare, pay, hurt, improve....
d．既可以用作及物又可以用作不及物的动词，其意义完全不同。
这类动词作不及物动词是一个意义；而作及物动词时却是另一个意义。如lift作不及物动词时是指烟雾的"消散"。we saw the mountain when the clouds lifted. 作及物动词时是"升高；举起"。
He lifted his glass and drank.
类似的还有：beat vi.跳动 vt. 敲、打; grow vi.生长 vt. 种植
play vi.玩耍 vt. 打（牌、球）,演奏 smell vi.发出（气味） vt. 嗅
ring vi.（电话、铃）响vt.打电话 speak vi.讲话 vt. 说（语言）
hang vi. 悬挂 vt. 绞死 operate vi.动手术 vt. 操作

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及物动词
开放分类： 英语、语法
英语中按动词后可否直接跟宾语，可把动词分成及物动词与不及物动词。
及物动词： 字典里词后标有vt. 的就是及物动词。及物动词后必须跟有动作的对象（即宾语），并且可直接跟宾语。
如see 看见 (vt.) +宾语 I can see a boy.文字
其实所谓“及物”，就是后面可直接加宾语的动词，有被动形式，而不及物动...

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及物动词
开放分类： 英语、语法
英语中按动词后可否直接跟宾语，可把动词分成及物动词与不及物动词。
及物动词： 字典里词后标有vt. 的就是及物动词。及物动词后必须跟有动作的对象（即宾语），并且可直接跟宾语。
如see 看见 (vt.) +宾语 I can see a boy.文字
其实所谓“及物”，就是后面可直接加宾语的动词，有被动形式，而不及物动词是没有被动式的，也不可直接加宾语，需加上介词。
及物动词后面可直接接宾语，不及物动词后面不可直接接宾语，一般要加介词后再接宾语。实际上很多动词既是及物动词，又是不及物动词。我举一个例子，就说write。如I am writing.和I am writing a letter.在前一个句子write是不及物动词，在后一个句子write是及物动词。又如，see是及物动词，但在特殊情况下如seeing is believing。
不及物动词就是一个动作不能施加到另一个物体上，也就是后面不能加宾语。
例如：He is running. run这个动词就是不及物动词，后面不能加sth。（不能说跑什么东西）
及物动词就是说这个动作可以施加到别的物体上，也就是后加宾语。
例如：He opened the door.“open”这个动词可以施加到“door”上，那它就是及物动词，宾语door也不可省略，否则句意不完整。（不知道到底开的是什么）
不及物动词就是一个动作不能施加到另一个物体上，也就是后面不能加宾语。
例如：He is running. run这个动词就是不及物动词，后面不能加sth。（不能说跑什么东西）
这就是及物和不及物的基本区别，学习单词时要参照提示的词性，在理解的基础上运用，因为英语里有的动词既可以是及物也可以是不及物的。
不及物动词
开放分类： 动词、语法、语言、外语、词性
英语中按动词后可否直接跟宾语，可把动词分成不及物动词与和及物动词。
不及物动词：字典里词后标有vi. 的就是不及物动词。不及物动词后不能直接跟有动作的对象（即宾语）。若要跟宾语，必须先在其后添加上某个介词，如to,of ,at后方可跟上宾语。具体每个动词后究竟加什么介词就得背动词短语了，如listen to,look at….
如：look 看 (vi.) x宾语(即不能直接加宾语). Look! She is singing.
Look carefully! (注意：carefully 是副词，不是名词，故不作宾语)
look at 看…….+宾语 Look at me carefully! (me是代词，作宾语)
at是小范围 in是大范围
如：
The students work very hard.学生们学习很努力。
She apologized to me again. 她再次向我道歉。
The accident happened yesterday evening.事故是昨天晚上发生的。
定语从句及相关术语
1.定语从句：修饰一个名词或代词的从句称为定语从句，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；关系副词有where, when, why等。关系词常有3个作用：1，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。
（序）
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1 定语可以由形容词，名词，代词，数词，分词，副词，不定式以及介词短语来担任，也可以由一个句子来担任．
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．
2 定语从句用来修饰名词，代词或整个主句．
3 定语从句分为限定性和非限定性从句两种。
4 定语从句存在的条件:先行词+关系词（有的版本作关联词）+从句
（一） 限定性定语从句
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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在从句中作宾语则不能省略。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
2. which作宾语时，根据先行词与定语从句之间的语义关系，先行词与which之间的介词不能丢
3. 代表物时多用which，但在带有下列词的句子中用that而不用which，这些词包括当先行词是anything, everything, nothing (something 除外), few, all, none, little, some等代词时，或者是由every, any, all, some, no, little, few, much等修饰时等，这时的that常被省略
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. where是关系副词，用来表示地点的定语从句
6. 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 arrive in London, we will have 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 as towers, soap, toothbrush etc.
7. 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.
8. 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。
（二）非限定性定语从句
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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子的情况或主句的某一部分
2. 在引导限定性定语从句时，that有时相当于in which, at which, for which或at which
Attitudes towards daydreaming are changing in much the same way that(in which) attitudes towards night dreaming have changed.
人们对白日做梦的态度正在改变，这与人们对夜间做梦的看法的变化有非常相似之处。
I like the music for the very reason that(for which) he dislike it.
我出于某种原因喜欢这种音乐，而他恰恰与我相反。
We arrived the day that(on which) they left.
刚好我们到的那天他们走了。
3. 有时as也可用作关系代词
4. 在非限定性定语从句中，不能用that，而用who, whom代表人，用which代表事物.
（三）关系代词引导的定语从句
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1.who指人，在从句中做主语
(1) The boys who are playing football are from Class One.
(2) Yesterday I helped an old man who lost his way.
2. whom指人，在定语从句中充当宾语，常可省略。
(1) Mr. Liu is the person (whom) you talked about on the bus.
(2) Mr. Ling is just the boy whom I want to see.
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。
(3) The man who/whom you met just now is my friend
3.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.
(2) This is the pen (which) he bought yesterday.
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.
如果是在从句中作主语就只能用who.比如: He is the man who has an English book.
4. that指人时，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?
5. 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 which is broken will soon be repaired.
(5) Do you like the book whose cover is yellow?
(6) Do you like the book the color of which is yellow?
（四）注意
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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语时
从句常由介词+关系代词引导
(1) The school (that/which) he once studied in is very famous.
(2) The school in which he once studied is very famous.
(3) Tomorrow I will bring here a magazine (that/which) you asked for.
(4) Tomorrow I will bring here a magazine for which you asked.
(5) We’ll go to hear the famous singer (whom/that/who) we have often talked about.
(6) We’ll 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, take care of等
(1) This is the watch which/that I am looking for. (T)
(2) This is the watch for which I am looking. (F)
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)
(2) The man with that you talked is my friend. (F)
(3) The plane in which we flew to Canada is very comfortable. (T)
(4) 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, some of which have gone bad.
(3) There are forty students in our class in all, most of whom are from big cities.
（五）关系副词引导的定语从句
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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 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 pulled 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 invitation is not clear,
(2) From the year when/in which he was going to school he began to know what he wanted when he grew up.
(3) Great changes have taken place in the city in which./where I was born.
（六）判断关系代词与关系副词
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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.
I'll never forget the days when I worked together with you.
判断改错（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） 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 ago?
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。
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) 。
（七）介词+关系词
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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 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.
（八）先行词和关系词二合一
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1)Whoever spits in public will be punished here. (Whoever 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)
（九）as,which引导的非限定性定语从句
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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。
As we know, smoking is harmful to one's health.
The sun heats the earth, which is very important to us.
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……。
I have got into the same trouble as he (has).
例2. as可引导非限制性从句，常带有'正如'。
As we know, smoking is harmful to one's health.
As is know, 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。
（十）关系代词that 的用法
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(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, much, few, any, little等作先行词时，只用that，不用which。
(c) 先行词有the only, the very,the same,the last,just修饰时，只用that。
(d) 先行词为序数词、数词、形容词最高级时，只用that。.
(e) 先行词既有人，又有物时。
(f) 先行词指物，在主句中作表语时．
(g) 为了避免重复．
(h)先行词是the way时
举例：
Is this the book that you borrowed in the library?
这是你在图书馆借的那本书吗？
Who that break the window should be punished．
谁打碎了窗户都要受到惩罚．
All that is needed is a supply of oil.
所需的只是供油问题。
Finally, the thief handed everything that he had stolen to the police.
那贼最终把偷的全部东西交给了警察。
（十一）难点分析
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（一）限制性定语从句只能用that的几种情况
1．当先行词是anything, everything, nothing (something 除外), few, all, none, little, some等代词时，或者是由every, any, all, some, no, little, few, much等修饰时
(1) Have you taken down everything that Mr. Li has said?
(2) There seems to be nothing that seems impossible for him in the world.
(3) All that can be done has been done.
(4) There is little that I can do for you.
注意：当先行词指人时，偶尔也可以用who
(4) Any man that/.who has a sense of duty won’t do such a thing.
2. 当先行词被序数词修饰
(1) The first place that they visited in London was the Big Ben.
3. 当先行词被形容词最高级修饰时
(1) This is the best film that I have seen.
4. 当形容词被the very, the only 修饰时
(1) This is the very good dictionary that I want to buy,
(2) After the fire in his house, the old car is the only thing that he owned.
当先行词指人时，偶尔也可以用who
(3) Wang Hua is the only person in our school who will attend the meeting？
5. 当先行词前面有who, which等疑问代词时
(1) Who is the man that is standing there?
(2) Which is the T-shirt that fits me most?
6. 当先行词既有人，也有动物或者物体时
(1) Can you remember the scientist and his theory that we have learned?
（二）关系代词as和which引导的定语从句as和which引导非限制性定语从句，有相同之处也有不同之处。具体情况是：
1．As和which都可以在定语从句中做主语或者宾语，代表前面整个句子。
(1) He married her, as/which was natural.
(2) He was honest, as/which we can see.
2. as 引导非限制性定语从句，可放在主句之前，或者主句之后，甚至可以切割一个主句；which引导的非限制性定语从句只能放在主句之后。另外，as有“正如……，正像……”的意思
(1) As is known to all, China is a developing country.
(2) He is from the south, as we can see from his accent.
(3) John, as you know, is a famous writer.
(4) He has been to Paris more than several times, which I don’t believe.
注意：当主句和从句存在逻辑上的因果关系时，常用which
(5) Tom was always late for school, which made his teacher angry.
3. 当先行次受such, the same修饰时，常用as
(1) I have never heard such a story as he tells.
(2) He is not such a fool as he looks.
(3) This is the same book as I lost last week.
注意：当先行词由the same修饰时，偶尔也用that引导定语从句，但是和由as所引导的定语从句意思不同
(4) She wore the same dress that she wore at Mary’s wedding.
她穿着她在MARY婚礼上穿过的一条裙子。
(5) She wore the same dress as her young sister wore. 她穿着和她妹妹所穿的一样的裙子。
(三）以the way为先行词的定语从句通常由in which, that引导，而且通常可以省略。
(1) The way in wh