定语从句(高一用)
(完整版)高一英语(牛津译林版)定语从句
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。
1.I told him all (that) I know.2.He gave her everything (that) he had.2.先行词被all, every, any, the very, the only, the just等修饰时。
1.I have read all the books (that) you gave me.2.You 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。
高一定语从句讲解
高一定语从句讲解关于高一定语从句讲解关于高一定语从句讲解有哪些呢？我们不妨一起来参考下范文吧！希望对您有所帮助！以下是店铺为您搜集整理提供到的关于高一定语从句讲解内容，希望对您有所帮助！欢迎阅读参考学习！关于高一定语从句讲解一、什么是定语(Attributive) :aloyalfriend 形容词作定语awomanteacher 名词作定语a girlwith long hair介词短语作后置定语falling / fallenleaves 分词作定语定语从句在句中相当于一个定语的成分起修饰的作用。
二、定语从句的构成：1）which/thata. Annawas wearinga hat.b.Itwas too dirty.定从： Annawas wearing a hatwhich/thatwas too dirty. （主语）安娜戴了一顶很脏的帽子。
a.The hatwas too dirty.b. Anna was wearinga hat定从：The hatthat/ whichAnna was wearing was too dirty.（宾语）安娜戴着的那顶帽子太脏了。
2). who/whoma. I meta boy.b. Theboy can speak three languages.定从： I met a boy who can speak three languages.（主语）我见到了一个能说三种语言的`男孩儿。
a. Theboy can speak three languages.b. I met a boy.定从：The boy whom/ who I met can speak three languages.(宾语）我见到的男孩儿能说三种语言。
3. whosea. We saw some people.b. Their arms had broken.定从： We saw some people whose arms had broken.我们看见了一些手臂受了伤的人。
定语从句高一知识点总结
定语从句高一知识点总结定语从句是高中英语中一个重要的语法知识点。
它能够为主句提供修饰成分，使得句子更加准确、丰富。
下面是对定语从句的高中英语知识点总结：一、定语从句的定义和作用定语从句是一个句子，用来修饰一个名词或代词。
它提供了更多的描述和信息，以使主句更加明确。
定语从句可以用来修饰人或物，而且在句子中可以作为主语、宾语、表语或定语。
二、定语从句的引导词1.关系代词：who, whom, whose, which, that2.关系副词：when, where, why三、定语从句的位置定语从句通常紧跟在所修饰的名词或代词之后。
四、关系代词的用法和例句1.用who或that代替修饰人的名词，作为定语从句的主语。
例句：The boy who is reading in the library is my brother.2.用whom或that代替修饰人的名词，作为定语从句的宾语。
例句：The girl whom you met yesterday is my best friend.3.用which或that代替修饰物的名词，作为定语从句的主语或宾语。
例句：The book which I borrowed from the library is very interesting.4.用whose表示所修饰名词的所有关系。
例句：The man whose car was stolen reported it to the police.五、关系副词的用法和例句1.用when表示时间，修饰修饰时间的名词，作为定语从句的状语。
例句：Yesterday was the day when we won the championship.2.用where表示地点，修饰修饰地点的名词，作为定语从句的状语。
例句：Do you remember the place where we had our first date?3.用why表示原因，修饰修饰原因的名词，作为定语从句的状语。
定语从句(高一用)
The girl who is standing there is Mary. 概念：在复合句中，修饰某一名词或代词的 从句叫定语从句。 先行词：被定语从句所修饰的名词或代词。 关系词：引导定语从句的词叫关系词。 先行词 + 定语从句
（ 名词/代词 ） +（关系词＋其他成分）
关系词引导定语从句, 起着连接主从句， 指代先行词和在从句中作句子成分的三重作用。
.定语从句的分类：
（1）限定性定语从句：与先行词关系密切，如果 没有定语从句，主句含混不清，不完整。限定性定语从 句与先行词之间无逗号。
（2）非限定性定语从句：是先行词的一个附加语， 对先行词起进一步说明作用，如果删掉它，主句的意义 仍然是完整的。非限定性定语从句与先行词之间有逗号。
• • • • • •
关系代词的省略 1. 条件：只在限定性定语从句中可省略。 2. 情况： a.关系代词在从句中担任动词宾语时 b.在从句中做介词的宾语，且介词在句尾 例如：Here is the man (that) you have been looking for. • c.关系代词在从句中做表语时 • 例如：Shanghai is no longer the city (which) it used to be. • d.在there be句型中，先行词是way时，关系代 词省略。 例：I don’t like the way (that/in which) you talk to me.
2. 在There be结构中，修饰主语的定语从句宜用 关系代词who指代人。 There's a gentleman who wants to see you. There are several students in our class who are still not sure about the use of attributive clause. 3、当先行词有较长的后置定语时。 I met a foreigner in the park yesterday afternoon who could speak Chinese well. 注意：1. 当主句已有疑问词who时，先行词指人， 引导定语从句的关系代词只能用that. Who is the man that is standing there? 2. all 指人时，关系代词可用who, 也课用that 。 All that/ who come to our party are welcome.
高一英语重点语法英语笔记--定语从句
高一英语重点语法英语笔记--定语从句定语从句是高中英语第一大语法内容，必需清楚把握。
接下来我为大家整理了高一英语学习的内容，一起来看看吧!高一英语重点语法--定语从句01定语从句基本概念在复合句中，修饰名词或代词的从句叫定语从句。
引导定语从句的词叫关系词。
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。
02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，全部格whose)，as 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。
03定语从句的分类依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。
1. 限制性定语从句紧跟先行词，主句与从句不用逗号分开，从句不行省去。
例如：Any man that / who has a sense of duty wont do such a thing.任何有责任感的人都不会做这样的事。
2. 非限制性定语从句主句与从句之间有逗号分开，起补充说明作用，如省去，意思仍完整。
例如：The house,which we bought last month,is very nice.这幢房子很美丽,是我们上个月买的.留意：非限定性定语从句中不能使用关系代词that。
04关系代词的用法1. thatthat既可以用于指人，也可以用于指物。
在定语从句中作主语、宾语或表语，作宾语可省略。
例如：Mary likes music that is quiet and gentle.玛丽喜爱轻柔的音乐。
(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. whichwhich 用于指物，在句中作主语、宾语或表语，作宾语可省略。
高一定语从句知识点的整理总结、专项训练题目
高一定语从句知识点的整理总结、专项训练题目知识点整理总结：定语从句是英语中常用的一种从句类型，用来修饰名词或代词，使语言更加精准和丰富。
以下是高一阶段定语从句的一些常见知识点总结：1. 定语从句的构成：- 引导词：关系代词（that, which, who, whom, whose）或关系副词（when, where, why）。
- 定语从句的位置可以是名词的前面或后面，具体取决于修饰的成分。
2. 关系代词的选择：- 指物时使用关系代词 that 或 which。
- 指人时使用关系代词 who 或 whom。
- 指物时使用关系代词 whose 表示所属关系。
3. 关系副词的使用：- where 表示地点。
- when 表示时间。
- why 表示原因。
4. 定语从句的省略：- 当关系代词在定语从句中作宾语且不作介词宾语时，可以省略。
5. 定语从句的限制性和非限制性：- 限制性定语从句对所修饰的名词起限定作用，不可省略。
- 非限制性定语从句对所修饰的名词作补充说明，用逗号隔开，一般可省略。
专项训练题目：1. 下列句子中有定语从句的是：- A. The book on the table is mine.- B. This is the pen that I lost yesterday.- D. The boy is tall.2. 选择正确的关系代词填空：- The house _______ you bought is very beautiful.- A. where- B. that- C. who3. 选择正确的关系副词填空：- Do you remember the day ______ we went to the beach? - A. when- B. who- C. why4. 下列句子中哪个是限制性定语从句：- A. My brother, who is a doctor, lives in Paris.- B. The dog that I adopted is very friendly.- C. The house, where we spent our vacation, is now on sale.5. 填入合适的关系代词或关系副词：- This is the bus _______ I often take to work.- A. who- B. when- C. that作答：1. B2. B3. A4. B5. C以上是高一定语从句知识点的整理总结和专项训练题目。
定语从句(高一用)
定语和定语从句定语一、概念：在句子中修饰名词或代词的成分叫定语。
Eg: ⑴This is a good book. ⑵He has three English story-books.⑶I have something important to tell you. ⑷The basket full of apples belongs to Liu Mei.二、英语中，能充当定语的词和词组有：形容词，数词，代词，副词，介词短语，动词不定式，现在分词，过去分词，动名词。
1、形容词作定语：形容词作定语是形容词的最基本的语法功能之一，一般放在它找所修饰的名词前。
如：an expensive car； a comfortable room但在下列情况下形容词定语后置：（1）形容词修饰不定代词时，如：something important, nothing new但something 前有this, that等词时，形容词定语照样前置。
如：this important something(2) nearby修饰名词时，可前可后。
He lives in a nearby school =He lives in a school nearby.(3) 成对形容词或形容词短语作定时后置。
We need a boy tall and strong. He is now a young man old enough to make his own decision.I want a person as diligent as you. There is only water too dirty to drink.(4 )表语形容词只能作后置定语。
People alive must finish the work of those dead.常见的表语形容词有: alive, alone, afraid, awake, 等。
高一英语定语从句
whom
2. My mother has a good book, which
cover looks terrible.
whose
that 3. Who are the young girls who are
The boy is my classmate.
The boy’s father is a policeman. The boy whose father is a policeman is my classmate. This is the book. The cover of the book is blue. This is the book whose cover is blue.
That is the reason why(= for which) I’m late. I know the reason. He said it for the reason.
I know the reason why he said it.
Fill in the blanks. 1. I still remember the day _t_h_at_/_w_h_i_ch_ we spent in the forest. 2. I still remember the day _w_h_e_n_/_o_n_w__h_ic_h I first came to Beijing. 3. The factory _th_a_t_/w__h_ic_h_ we will visit is large. 4. The factory __w_h_e_r_e_____ his father works is large. 5. I’ll never forget the time _w__h_e_n_/a_t_w__h_ic_h_ we work on the farm. 6. This is the house _w_h_e_r_e_/i_n__w_h_i_chwe lived last year.
高一级英语定语从句讲解
高一级英语定语从句讲解一、定语从句1．定语从句三步：第一找出先行词；第二看先行词在定语从句中的语法功能（做主语、宾语或状语）；第三选择合适的关联词。
2．定语从句在选择关联词that 与which时，常常容易出错，所以应记住什么时候只能用that，什么时候只能用which.（1）．只能用that 的情况归纳4种：即先得词被序数词最高级修饰过；先行词为all 、everything、nothing等不定代词；先行词同时是人和物并列时；最后先行词分别被the only 、the very the same、the last 修饰。
请看下列四组例句，注意其先行词：①．The first thing that we should do is to work out a plan .②．I t almost seemed as if the good man were trying to teach us all that he knew at this lesson .③．Later my father and Mr. Crosset talked for about half an four of things and persons that they remembered in school.④．This is the very dictionary that I want to find .（2）．只用which is 情况有两种情况：一是非限制性定语从句，关联词要用which；二是做介词宾语时只能用which。
请看下列两组例句：I said nothing , which made him more angry .I have the book about which you are talking .三、在定语从句的非限制性定语中，which 和as 是容易混淆的。
在很多情况下两者兼可互换，但在下列情况中不可互换：1、通常As 可以放在整句的句首，而which，只能在逗号之后，as 本身含有“正如”，as 在定语从句中既可是主语也可做宾语As appear from her paper ,she has read widely in Romantic literature.She is remarkable, as I have told you .2、which 在做非限制性定语从句关联词时可以无明确先行词，指前句整个的意思，如：She has married again, which surprises us .四、在定语从句中，许多人往往分不清all that 和what, what 实际上只引导名词性从句，它相当于all that两个字，例如：All that I know is that he has made up his mind to heave the country for a new place.= what I know is that ……定语从句知识要点：一、限定性定语从句：注：先行词是time, minute, moment, next tim 很少用关系副词when,可用that 但通常省去。
定语从句-高一英语语法专题
高一英语语法专题定语从句一、概念1.定语从句：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，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。
注：关系代词有主语、宾语之分。
一般whom作为宾语。
3.先行词：被定语从句修饰的名词、代词称为先行词。
二、限制性定语从句和非限制性定语从句（一）限定性定语从句（没有逗号）（1）关系代词（在句中作主语、宾语或定语）1. that既可代表事物也可代表人which代表事物。
注：that和which在从句中作宾语时常可省略。
e.g. The number of the people that come to visit the city each year rises one million.e.g. Football is a game which is liked by most boys.2.代表物时多用which，但在带有下列词的句子中用that而不用which：当先行词是anything, everything, nothing , none等不定代词时，或者是every, any, all, some, no, little, few, much等修饰时等，或者是有序数词或形容词最高级修饰时、既有人又有物时、句中前面有which时都只能用that。
3. who和whom引导的从句用来修饰人，who作从句中的主语,whom作宾语e.g. The boys who are playing football are from Class One.e.g. Mr. Ling is just the boy whom I want to see.e.g. The man who/whom you met just now is my friend.4. 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。
人教版高一英语定语从句全面讲解与练习
定语从句定语：定语用来限定、修饰名词或代词的，是对名词或代词起修饰、限定作用的词、短语或句子，汉语中常用‘……的’表示。
例如 a clever boy the boiling water fallen leaves •The boy in the classroom needs a pen.•The man standing there is my teacher.定语从句：一个句子充当定语The boy who is reading needs the pen.单词作定语时通常放在它所修饰的词之前，作前置定语。
短语和从句作定语时则放在所修饰的词之后，作后置定语。
Ⅰ. 概念：(1) 定语从句：在主从复合句中用作定语的从句叫定语从句。
定语从句一般紧接在先行词后面。
(2) 先行词：被定语从句修饰的成份。
先行词可以为一个词，短语，或整个主句。
(3) 关系词：引导定语从句的词，并代替先行词在从句中担任一定的成分。
分为关系代词和关系副词。
(4) 定语从句基本构成：先行词+关系词+从句A) 关系词的作用：1) 引导定语从句，连接主句和从句，相当于一个连词；2) 必在从句中作某个句子成份（可以做主语，宾语，表语，定语，状语）student who answered the question was John. 2. I know the reason why he was so angry.3. The boy (whom) you are talking to is my brother.4. I’d like a roomwhose window looks out over the sea.B)简单句变定语从句例1：The girl is Mary. The girl is standing there.The girl (who is standing there ) is Mary.如何改写定语从句1、找准主句和从句，并找出两个简单句的共有成分，确定先行词。
高一英语 定语从句讲解及专项练习题(含答案)
一、基本概念（一）定语从句在复合句中作定语，修饰名词或代词的从句叫定语从句。
（二）先行词被定语从句所修饰的名词或代词。
一般情况下，定语从句紧跟先行词。
但也有因各种原因定语从句与先行词被分割的现象。
（三）关系代词和关系副词定语从句的引导词。
与先行词关系密切，因此紧跟先行词，并在定语从句中充当一个成分。
关系代词有：who, whom, which, that和whose, 另外，as也可充当关系代词。
关系代词在定语从句中充当主语、宾语、表语和定语。
关系副词有：when, where和why。
在定语从句中充当状语。
二、关系代词的用法（一）基本用法根据先行词的不同，和在从句中所充当的成分不同，选用不同的关系代词。
如下表：例如：（注意关系代词在定语从句中所充当的成分）①Do you know the professor who/that will give us a speech next week? （作主语）②I read a report about his new novel that/ which will soon be published. （作主语）③The plan that/which they argued about was settled at last. （作宾语）④This is the new secretary (who/whom/that)I would like to introduce to you. （作宾语）⑤The soldier whose legs were badly wounded was operated on without delay. （作定语）注意：关系代词在定语从句中充当宾语时可以省略，充当主语时则不能。
（见上例③④）（二）关系代词that代替which的一些情况which, that 在代替物时，一般可以通用。
但在有些情况下，只用that。
高一英语定语从句归纳整理
高一英语定语从句归纳整理一、定语从句的定义定语从句是修饰名词或代词的从句，通常放在所修饰的名词或代词之后，被称作后置定语。
定语从句主要分为限定性定语从句和非限定性定语从句两种类型。
二、关系代词的种类及用法关系代词在定语从句中用作宾语或主语，起到指代先行词的作用。
常见的关系代词有that、which、who、whom和whose。
1.That：用于修饰人或物，指代某个特定的事物。
在从句中，that可作主语或宾语。
2.Which：也用于修饰人或物，指代某个特定的事物。
在从句中，which通常作主语或宾语。
3.Who：用于修饰人，指代某个人的身份或特征。
在从句中，who通常作主语。
4.Whom：用于修饰人，指代某个人的身份或特征。
在从句中，whom通常作宾语。
5.whose：用于修饰人或物，指代某个事物的归属或特征。
在从句中，whose通常作定语。
三、关系副词的种类及用法关系副词在定语从句中用作状语，起到修饰整个从句的作用。
常见的关系副词有when、where和why。
1.When：用于修饰时间，指代某个特定的时间点或时间段。
在从句中，when可作时间状语。
2.Where：用于修饰地点，指代某个特定的地点或场所。
在从句中，where可作地点状语。
3.Why：用于修饰原因，指代某个特定的情况或事实。
在从句中，why可作原因状语。
四、限定性定语从句和非限定性定语从句的区别1.限定性定语从句：限定性定语从句与主句的关系十分紧密，缺之不可，对先行词起限定、修饰的作用。
如果将其去掉，会影响句子完整性，甚至意义不明。
限定性定语从句的先行词前面不可加其他定语修饰词，并且不用逗号隔开。
2.非限定性定语从句：非限定性定语从句起补充说明作用，缺少也不会影响全句的理解，它与主句之间通常用逗号隔开。
非限定性定语从句前面可以加其他定语修饰词。
非限定性定语从句先行词为专有名词或者具有特指性的名词时，一般不用that。
非限定性定语从句还可以由as引导。
专题05 定语从句 -2024-2025学年高一英语上学期期中考点(人教版20219必修第一册)
不能用which 不能用that
Do you know the boy ___ ____ your mother is talking?2. He gave me some novels _____ ______ I am not very familiar.3. I still remember the day ___ ______ I first got to Paris.4. He has three brothers, ____ ______ Li Lei is the youngest one.
He came up with a suggestion, _______ proved to be more than practical.This is the great moment to ________ I look forward.
that
that
that
that
that
which
which
She is a beautiful girl.
名词
Amy is a woman teacher.
名词所有格/形容词
Lucy's father is a poor worker．
代词
My brother is a teacher.
副词
They live in the room above.
介词短语
定语从句
CHAPTER 2
定从的分类
是指先行词在意义上不可缺少的定语。如果去掉，主句的意思就不完整或者失去意义。这种从句和主句关系十分密切，写时不用逗号分开。
非限制性定语从句和主句关系不很密切，只是对先行词做些附加说明。如果去掉，主句的意思仍然清楚。这种从句，写时往往用逗号隔开。
定语从句练习(高一)
18． Can you think out a situation ___D___ this
idiom can be used? A． which B． that C． with which D．Where
19．Recently I bought an ancient vase, __B_
is not far from here. A. where B. to which C. which D. in which
7.Great changes have taken place since t
hen ing.
in
the
factory
___A____we
are
work
A. where C. which
was very reasonable. A. which price B. the price of which
C. its price
D. the price of those
20. The gentleman ____B___ you told me
yesterday proved to be a thief.
D./; who
24.I lost a book, __A____I can‘t
remember now A. whose title
B. its title
C. the title of it D. the title of that
st summer we visited the West Lake___A___Hangzhou is famous in t
A． in which B． from which C． with which D． through which 15． She has fallen in love with silly
高一定语从句的例句解析 → 初中定语从句的例句解析
高一定语从句的例句解析→ 初中定语从句的例句解析1. 高一定语从句的例句解析1.1 引导词"that"的用法- I believe that he will pass the exam.（我相信他会通过考试。
）- The book that ___.（我昨天买的书很有趣。
）1.2 引导词"which"的用法- The car, which is parked outside, ___.（停在外边的车属于我的朋友。
）- I like the red dress, which is on the mannequin.（我喜欢摆在模特儿上的那件红色连衣裙。
）1.3 引导词"who"的用法- The boy who saved the drowning child ___.（救了溺水孩子的男孩得到了大家的赞扬。
）2. 初中定语从句的例句解析2.1 引导词"that"的用法- I have a ___.（我有一个喜欢打篮球的朋友。
）- The movie that/which we ___.（我们昨天看的电影太棒了。
）2.2 引导词"which"的用法- The book, which is on the top shelf, is my favorite.（那本书放在最高的架子上，是我最喜欢的。
）- I have a dog, which is very cute.（我有一只非常可爱的狗。
）2.3 引导词"who"的用法- ___.（戴眼镜的那个女孩是我们的同学。
）- He is the person who helped me when I was in trouble.（当我遇到困难时，他帮助了我。
）结论从以上例句可以看出，无论是高一阶段还是初中阶段，定语从句的引导词都包括"that"、"which"和"who"。
定语从句(高一)
B. that /which
区分下列从句的功能
1. The fact that every year more than 6 million children die from hunger astonished me.
2. How the African children hope to go where they can find enough food to eat!
3. The news that I got when I surfed the Internet is true.
4. It is in Africa that children are suffering from hunger.
5. They are living such a hard life as we can’t imagine.
8. A lot of teenagers enjoy the way ＿in＿w＿hich / tha＿t /＿不＿填＿ Shang Wenjie performs on the
stage.
9. She is such a girl ＿a＿s＿ has a high college degree and musical talent.
无逗 号隔 开
有that
作宾语 时可以 省略
非限定 起补充说明作 修饰先 有逗
性定语 用。若省略， 行词 / 号与
从句 原句意义不受 整个句 主句
影响。
子
隔开
无that
不可以 省略
注意点
1.引导词在定语从句当中作宾语时
1) Datian High School is a school ＿wh＿ic＿h ＿/ th＿at＿ you consider as your home. 2) Liu Xiang is a sportsman ＿w＿ho＿/ ＿wh＿om＿ we Chinese are proud of. 3) Liu Xiang is a sportsman of ＿＿wh＿om＿＿ we Chinese are proud.
高一定语从句
定语从句一．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/whose/as﹙2﹚关系副词：when/where/why5.引导词的位置：位于定语从句之前（先行词之后）。
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.① 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）。
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4. The students are talking about the strange stories and persons (that) they met in the village. ______
whose 5. Harry is the boy _______ mother
is our maths teacher . 6. Luckily none of the people (who/whom/that) I know were killed _____________ in the earthquake .
2. 先行词是序数词或被序数词修饰时 The first place _____ (that) they visited was Yangzhou. that This is the third film ______ has been shown in our school this term.
３.先行词由指人和指物的名词并列构成时 The writer and his novel _____ (that) you have just talked about is really well known. The bike and its rider _____ that had run over an old woman were held up by the police. 4 .先行词是all, much, little, few, something, everything, anything, nothing, none, the one等 不定代词 There is nothing(that) _____ they want to buy. That is all (that) _____ I want to say.
介词+which(代物) /whom（代人）
• 1. The girl about whom we are talking is a doctor. • 2. The house, the windows of which were damaged, has now been repaired. • 关系代词前介词选择三原则：一先，二动，三意 义（重中之重） • 一先，即根据定语从句中介词与先行词的搭配关 系选择。 • I never forget the day on which I came to this sc hool. • (on the day) • 2.二动，即根据定语从句中谓语动词与介词的搭 配关系选择。
小结：关系代词 指物时用法要点
先行词指人时定语从句中关系代词宜用who而不宜 用that的情况：
１、先行词为one, ones, anyone或those时。 The person I want to learn from is one who studies hard and works well. Anyone who failed to come to the meeting yesterday must give his reason. Those who are not fit for their work should leave office at once.
5 .先行词被any, few ,little, no, all, one of, the same , the very, the only , just the等词 修饰时 The only thing (that) _____ we could do was to wait. This is one of the presents (that) _____ my boy friend gave me on my birthday. 6 .如有主句含两个定语从句，其中一个关系代词 已用which，另一个关系代词则宜用that,以避免 语言的单调或重复。 Edison built up a factory which produced things that had never been seen before. _____
• 10.被修饰词为数词时。
Yesterday I caught two fish and put them in a basin of water. Now you can see the two that are still alive.
先行词指物时定语从句中关系代词宜用which而不 宜用that的情况 １、当关系代词前面有介词时，且关系代词一律 不能省略。 which borrowed the This is the liberary from __________I book. Is this the room in which Mr White lives?
.定语从句的分类：
（1）限定性定语从句：与先行词关系密切，如果 没有定语从句，主句含混不清，不完整。限定性定语从 句与先行词之间无逗号。
（2）非限定性定语从句：是先行词的一个附加语， 对先行词起进一步说明作用，如果删掉它，主句的意义 仍然是完整的。非限定性定语从句与先行词之间有逗号。
定语从句谓语动词单复数由谁决定？
关系词
• 关系代词：who, whom, whose, which, that, as
关系副词:when, where, why
关系代词
关系代词 Who 指代的先行词 人 人 人、物 物 人、物 从句中做的成分 主语、宾语 宾语 定语 主语、宾语 主语、宾语
Whom whose
Which that
Titanic is the ship ___________ that/which sank after hitting an iceberg.
who/that met on the Rose and Jack are the lovers _________ ship.
1. The earthquake that / which hit the city in 2008 was the biggest in Chinese history. 2. We don’t know the number of people that / who lost their homes in 1906 earthquake 3. The house they built （which /that） in 1987 stayed up in the earthquake.
• . 定语从句中谓语动词是含有介词的固定短语 时，介词应放在动词之后，不能拆开放在关 系代词前。 如look after, look for, pay attention to, take care of, look forward to, listen to等。 • This is the baby whom you will look after. • This is the baby after whom you will look. • This is the pen that/which you are looking for • This is the pen for which you are looking
定语从句
The girl who is standing there is Mary. 概念：在复合句中，修饰某一名词或代词的 从句叫定语从句。 先行词：被定语从句所修饰的名词或代词。 关系词：引导定语从句的词叫关系词。 先行词 + 定语从句
（ 名词/代词 ） +（关系词＋其他成分）
关系词引导定语从句, 起着连接主从句， 指代先行词和在从句中作句子成分的三重作用。
1先行词 Mr Smith, who is now downstairs, is asking to see you. The Smiths, who are now downstairs, are asking to see you. 2、 “one of+可数名词复数” 后的定语从句， 谓语 动词用复数形式； “the only/ very/right one of+ 可 数名词复数”后的定语从句，谓语动词用单数形式。 Eg，Jeff is one of the students who were awarded. 杰夫是当时获奖的学生之一。 Jeff is the only one of the students who was awarded. 杰夫是唯一一个获奖的学生。
练习
1.（2013•浙江卷）The children, ______ had played • the whole day long, were worn out. • A. all of what B. all of which • C. all of them D. all of whom 2.（2013•重庆卷）John invited about 40 people to his wedding, most of ______are family members. A them B that C which D whom
先行词指物时定语从句中关系代词宜用that， 不宜用which的情况： 1. 先行词是最高级或被最高级修饰时 This is the best film ________ (that) I have seen. The most important thing ________ that should be done now is to study English.
２、在非限制性定语从句中。 Crusoe's dog, which was now very old, became ill and died.
３、当关系代词指代前面整个句子时 He passed the exam, which ______ made his father very happy. 4、在一个句子中有两个定语从句，其中一个从句 的关系代词用了that， 另一个宜用which。 Let me show you the novel that I borrowed from the library which was newly open to us. 5、当关系代词后面带有插入语时。 Here is the English grammar which, as I have told you, will help improve your English.