定语从句1
定语从句(1)
定语从句一．定语从句的定义：所谓定语从句，就是用一个句子来做定语来修饰一个名词，其中被修饰的名词叫做先行词，连接先行词和从句之间（或者说引导定语从句）的词语叫做关系词，关系词分为关系代词和关系副词。
其中常见的关系代词有：that,which,who,whom,whose,as,but,than;常见的关系副词有：why,when,where.（注意：what，how，whether，if和特殊疑问词+ever不能引导定语从句）。
二．如何选择定语从句的连接词：首先明确先行词是什么，然后找到后面的从句，把从句单独拿出来分析，看一看先行词在句子中做什么成分，根据语法选择连接词。
Eg:He tried to escape from the prison that/which was builtin the Middle Age .分析：1.找先行词：prison 2.把prison放入从句中可以看到prison在从句中是做主语，即the prison was built in the Middle Age .而在定语从句中能充当主语的连接词一般情况下是that和which，于是就能选出连接词了。
三．连接词的用法：1.that：可以修饰人和物，在从句中作主语或宾语,表语，做宾语的时候一般情况下可以省略。
Eg: She is a girl who/that has long hair.(在从句中做主语) Is this the news (that)/which you wanted to tell me yesterday?(在从句中做宾语，可以省略that)He is no longer a kind-hearted man that he used to be(在从句中做表语)注意：1）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，在口语中that常被省略，例如：His father died in the year (that / when / in which) he was born. 他父亲在他出生那年逝世了。
高一英语必修一定语从句1
定语从句一、基本概念1．定语从句：在一个主从复合句中修饰某一个名词、代词或修饰整个主句的从句叫定语从句。
换句话说，定语从句就是用来作定语的句子。
2．先行词：被定语从句修饰的名词或代词叫先行词。
先行词前一般用the ，但在指“一个”概念时可用 a , an 。
3．关系代词 / 关系副词：连接先行词和定语从句的词叫关系词，根据其在从句中作用分为关系代词或关系副词。
若先行词在从句中作主语、宾语和定语等，应用关系代词引导定语从句；若先行词在从句中作时间状语、地点状语和原因状语等，应用关系副词引导定语从句。
4．定语从句的位置：一般紧跟在先行词后面。
但有时因句子结构的需要，定语从句和先行词被某些成分隔开。
5．引导定语从句的关系词分为二类：关系代词：that, which ,who, whom ,whose , as关系副词：when, where, why二、基本用法1．关系代词的基本用法（见下表）：2．使用关系代词时应注意的几个问题：a. 在以下几种情况下只使用that不用which。
1.先行词是不定代词时，如: all, anything, everything, nothing, something, little, few, much。
told him all (that) I know.gave her everything (that) he had.2.先行词被all, every, any, the very, the only, the just等修饰时。
have read all the books (that) you gave me.can take any book (that) you like.3.先行词被序数词和形容词的最高级修饰时。
1. This is the best book (that) I have ever read.2. The second place (that) I want to visit is Shanghai.4.先行词既有人又有物时。
定语从句关系代词关系副词非限制性定语从句(1)
定语从句（一）--------关系代词的用法一．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，定语从句一般放在先行词的后面。
引导定语从句的词叫做关系词。
关系词有三个作用：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。
二、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，whom和whose，关系副词包括where，when，why等。
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.（that作宾语）The building which stands near the train station is a supermarket. （作主语）The film （which）we saw last night was wonderful. （作宾语）3. who指人在从句中做主语或宾语，作主语不可省略，作宾语可省略。
例如：The boys who are playing football are from Class One.翻译：指人，在定语从句中充当宾语，常用who代替，可省略。
例如：Mr. Ling is just the man whom I want to see.翻译：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.(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 yellow2. 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;例如：He was the first person that passed the exam. 他是第一个通过考试的人。
高中英语必修一语法讲解 定语从句(1)
，定语从句（1）概念引入：She is the girl who sings best of all.她是所有人中唱得最好的。
This is the best film that I have ever seen.这部电影是我看过的最好的一部。
He had failed in the maths exam, which made his father very angry .他数学考试没有及格，这使他的父亲很生气。
Give me the b ook whose cover is green.把那本儿绿皮儿的书给我。
定语从句是我们初中学过的一项语法，上面这些句子与你初中学的有差别吗？是不是有点不同呢？从这个单元开始，我们将学习定语从句的升级版，但还是从头开始学哟。
语法点拨【高清课堂：定语从句一 P1】定语从句的定义 Do you know the girl who came here yesterday? 你认识昨天来的那个女孩吗？The book which he bought the day before yesterday is very good .他前天买的那本书很棒。
He is the man whom we should learn from . 他就是我们应该学习的人。
Her friend whose home is very far came to see her . 她的那位家很远的朋友来看她了。
其中粗体的部分就是定语从句，划横线的部分叫做先行词，也就是被定语从句修饰的词。
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。
先行词：被定语从句修饰的名词或代词。
关系词：上面例子中的关系代词 who, whom, which, that 是用来引导定语从句的连接词。
这些连接词代替先行词在从句中担任一个成分，如主语、宾语或表语。
例如：Those students who study in this school are good at football.（who 代替先行词 students 在从句中充当主语）There is still mu ch homework which we must finish.（which 代替先行词 homework 在从句中充当宾语）关系代词引导的定语从句I. who 和 whom1. who 和 whom 代表人, 当先行词在从句中作主语时用 who 引导，作宾语时用 whom 引导。
高一英语语法——定语从句(1) 教案
一. 教学内容：语法——定语从句〔1〕什么是定语？定语是用来修饰名词或代词的，对其起修饰限制作用。
被修饰的词叫先行词。
英语中可以作定语的词包括形容词〔短语〕，介词短语，非谓语动词等。
→ a pretty girl→ a bottle full of water→the book on the table→the girl standing over there→the school built in 1970此外，句子也可以作定语，也就是定语从句。
→the girl who is standing over there.→the school that was built in 1970.引导词：关系代词和关系副词特点：①连接作用：引导从句，把它和主句连接起来。
②替代作用：在从句中替代它前面的先行词。
③成分作用：在从句中充当句子成分。
关系代词：that, which, who, whom, whose→A plane is a machine that can fly. (指物，作主语)→The noodles (that) I cooked were delicious.〔指物，作宾语〕→Shanghai is no longer the city that it used to be. (指物，作表语)→Let’s ask the man that is reading the book over there.〔指人，作主语〕→The girl (that) we saw yesterday is Jim’s sister. 〔指人，作宾语〕→They planted the trees which didn’t need much water. 〔指物，作主语〕→The fish (which) we bought were not fresh.〔指物，作宾语〕→The boy who broke the window is called Michael.〔指人，作主语〕→The person (whom/who) you talked to is my math teacher. 〔指人，作宾语〕→Miss Flower is the teacher whose house caught fire last week.〔指人，作主语〕→This is the house whose window broke last night. 〔指物，作主语〕英语中，定语从句分限制性定语从句和非限制性定语从句。
定语从句(1)关系词用法
总结关系代词的用法：
关系词
关系 代词
that which who
whom
whose
关系 副词
when where
why
所修饰的先行词 人/物 物/事 人 人 人/物
时间名词 地点名词 原因名词（the reason）
在从句中所作的成分 主语、宾语、表语
主语、宾语 主语 宾语 定语
时间状语 地点状语 原因状语
定语从句
第1章 什么是定语？
什么是定语？
定语：简单来说就是一个形容词，它的作用就相 当于形容词的作用，用来修饰名词或者代词。
例如：delicious carrots
第2章 什么是定语从句？
什么是定语从句？
充当定语功能的句子称为定语从句。
例句：Those are oranges that I bought for kids.
(3) 当先行词前被最高级或序数词修饰时。 This is the most interesting book that I have ever read. 这是我读过最有趣的书。 This is the last chance that you have. 这是你拥有的最后一个机会。
(4) 当先行词既含有表示人的名词，又含有表示物的名词时。 They talked about the men and the things that they saw in the country. 他们谈到了在那个国家见到的人和事。
先行词 关系词
第4章
关系代词
关系代词：that的用法
翻译句子，并找出定语从句，分析关系词的作用 例句：She is the girl that helped us yesterday. The picture that we are studying is drawn by a girl.
高一英语定语从句1(1)
3.This is the girl _f_r_o_m__ _w_h_o_m___I learned the news.
4.The person___t_o__ _w_h_o_m_ I spoke just now is the manager that I told you about.
This the book whose cover is red.
=This the book the cover of which is red.
注：先行词为人，介词前置时：介词＋whom
1.This is the reason __f_o_r__ _w_h_i_c_h_he left his hometown. (=why)
定语从句he book that / which you
want.
先行词 关系代词
我已经找到你想要的那本书了。
从句的位置：在它要修饰的名词或代词后
先行词:被定语从句修饰的词 关系词：引导定语从句的词，在从句中
代替先行词，并担任一个成分
关系代词that, who, whom, whose,which 关系副词when, where, why, how
表语
她不再是童年时候的那个小女孩了。
作用&关系代词
例句
作主语: We visited the factory which \that
人：who/that makes toys for children.
物：which/that Most managers who \that are present at the meeting agreed to the
定语从句1知识点总结
定语从句1知识点总结一、定语从句的定义定语从句（adjective clause）是一种修饰名词或代词的从句，用来限定这个名词或代词的含义。
定语从句通常由关系词引导，并且关系词在从句中充当某一成分的作用。
二、关系词的种类1.关系代词引导定语从句的关系代词有：who, whom, whose, which, that等。
- 用来修饰人的关系代词有：who, whom, whose- 用来修饰物的关系代词有：which, that2.关系副词引导定语从句的关系副词有：when, where, why, how等。
- when用来指代时间，where用来指代地点，why用来指代原因，how用来指代方式。
三、定语从句的位置1.定语从句可以放在先行词之后，例如：The man who is talking to my mother is a doctor.2.定语从句也可以放在先行词之前，例如：That is the man who is talking to my mother.3.定语从句还可以放在先行词之中，例如：The man who my mother is talking to is a doctor.四、定语从句的特点1.从句中所含的主谓结构要完整The book that I want to read is on the desk.2.从句中的主语和先行词相同The girl who is singing is my sister.3.从句中的关系词在从句中的作用The car which you bought is very expensive.五、在定语从句中关系词的省略在定语从句中，当关系词作为宾语或者介词宾语时，可以省略。
The book (that) I want to read is on the desk.The person (whom) I am talking about is my friend.六、定语从句的引导词用法1. who和whomWho用来指人，作主语或者宾语。
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1.People spoke highly of the driver_____,in spite of the terrible weather, had saved his passengers from danger.
A.which
B.who
C.whom
D.as
2.The island_____he lived in his childhood is far from the town.
A.which
B.in which
C.on which
D.that
3.I hope to get_____a tool______he repaired this machine with.
A.such;that
B.so;that
C.such;as
D.as;as
4.The soldiers stopped at the edge of a wood,______was the right place for an ambush(埋伏).
A.they thought where
B.they thought which
C.where they thought
D.which they thought
5.Nathan Hale,_____the British guard had found the maps of the British army's defence works,faced his enemy bravely.
A.in whose boot
B.in which boot
C.whose boot
D.which boot
6.The factory has 500 workers,40 percent_____are women.
A.of which
B.of whom
C.of them
D.of that
7.He often talked about the artists and paintings_______impressed him greatly.
A.which
B.who
C.that
D.不填
8.Students are sure to benefit from every minute_______the best(use) of to study their lessons.
A.which makes
B.what they make
C.that is made
D.when is made
9.This cook is_______we dropped in the other day.
A.whom
B.on whom
C.the one
D.the one on whom
10.I will never forget the days_______we spent together and_____we made friends with some farmers.
A.when;that
B.that;when
C.when;when
D.which;which
11._______is known to all,the Xisha Islands are the territories(领土)of China.
A.As
B.It
C.Which
D.That
12.His family,_______all music lovers,don't want to miss MTV programs.
A.who is
B.which is
C.who are
D.which are
13.Who is the person_______asked for me just now?
A.who
B.that
C.whose
D.whom
14.He asked more than one elder for advice,_______he hoped to make a wiser decision.
A.which
B.by which
C.by which means
D.by that means
15.His technique has developed to the point_______he can repair many of the electrically powered farm machines.
A.when
B.that
C.where
D.which
16.Those______have not got bikes may go by bus.
A.that
B.who
C.不填
D.which
17.This is the first time I______here.
A.have been
B.have gone
C.am
e
18.I,_______,will try my best to help you out of the difficulty.
A.who is
B.that is
C.who are
D.who am
19.The comrade I share the room________is a young teacher fresh from college.
A.with him
B.with whom
C.with
D.in
20.What do you think of the material_______the coat is made?
A.which
B.of which
C.from which
D.in which
21.The fire started on the first floor of the hospital,______patients were elderly people.
A.many of whose
B.whose many
C.many whose
D.many of whom
22.The______why Alice didn't turn up was not made clear.
A.cause
B.matter
C.reason
D.truth
23.He was the only one of the boys who______willing to do the work.
A.is
B.was
C.are
D.were
24.He is not the man_______he used to be.
A.who
B.whom
C.which
D.that
25.What does she do______so different?
A.that is
B.that are
C.which is
D.which are。