定语从句用法详解
定语从句的用法详解
定语从句的用法详解班次______ 姓名________ 学号________一、基本概念：在复合句中，修饰某一名词或代词的从句叫定语从句或形容词从句。
如：Do you know the man who spoke at the meeting just now? That is the house where he lived ten years ago.定语从句所修饰的词叫先行词；定语从句一般用关系代词或关系副词来引导，关系词放在先行词与定语从句之间起连接作用，代表被修饰的先行词，同时又作从句中的一个成分。
引导定语从句的关系代词有：that, who, whom, whose, which; 关系副词有：when, where, why.二、关系词的用法：（一）关系代词的用法：1)先行词是人，关系代词在定语从句中做主语时，用who或that来引导。
e.g. Do you know the man who / that is standing over there? The girl who / that took you to my place is my friend. 2)先行词是人，关系代词在定语从句中做宾语时，用whom或that来引导，但通常可以省略。
先行词是人，关系代词在介词后面必须用whom，而且不能省略，也不能用that。
The boy (whom / that) we saw yesterday is Mr. Wang’s son. The old man with whom I often go to the films is my grandfather. 3)先行词是物，关系代词在定语从句中做主语时，用which或that来引导 e.g. The train which / that has just left is for Guangzhou. The earthquake which / that happened in 1906 was the biggest in American history. 4)先行词是物，关系代词在定语从句中做宾语时，用which或that来引导，但通常可以省略。
英语语法知识点：英语定语从句用法详解
英语语法知识点：英语定语从句用法详解一、定语从句的相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。
因为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，我们能够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。
很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，简单得能够划一个等号。
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. 我理解住在隔壁的那个人。
(完整版)定语从句语法详解
定语从句语法专题（Attributive Clauses）教案一. 定语从句的概述:1.定语从句：在复合句中，修饰某一名词或代词的从句叫定语从句。
在句中做定语，被修饰的名词或代词，叫做先行词。
从句通常放在先行词之后，由关系词（关系代词或关系副词）引导。
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，一般紧跟在它所修饰的先行词后面。
eg She is the girl（who got the first prize.）girl先行词who充当从句主语, 从句做定语修饰girlThis is the boy who broke the window.这就是打破窗子的孩子。
the boy是先行词, who broke the window是限制性定语从句, 明确指出theboy是打破窗子的那个孩子,who 在从句中充当主语That is the house where he lived ten years ago.He is the man who/that lives next door.He is the man who I want to see.先行词关系词定语从句复合句: 是由一个主句和一个或一个以上的从句构成的句子, 复合句中的主句和从句都具有完整的的主语和谓语, 主句是复合句的主体, 可以独立存在, 从句需要有一个连词引导, 是修饰说明主句的, 不能独立存在, 根据在句中的不同作用, 从句可以分为三类: 定语从句, 名词性从句, 状语从句。
二. 引导定语从句的关系词有两大类:1.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: that, who, whom, whose, which, as（主, 宾, 定）关系副词: when, where, why.（状语）2.关系词的作用:（1）引导定语从句, 在先行词和定语从句之间起连接作用；（2）代替先行词在句中充当成分。
初中英语定语从句用法详解及练习
定语从句的用法和精练一、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,定语从句一样放在先行词的后面。
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(宾格whom,所有格whose)等,关系副词包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份。
(定语从句中的关系词分为关系代词和关系副词两种)that which who whom whose when where why注: 关系代词在句中充当主语、宾语，因此定语从句中不能再显现关系代词所替代的名词或代词。
三、定语从句的分类依照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。
四、关系代词的用法1. that 既可以用于指人,也可以用于指物。
在从句中作主语或宾语,作主语时不可省略,作宾语可省略。
例如:Mary likes music that is quiet and gentle.玛丽喜爱轻柔的。
(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,在句中作主语或宾语,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.位于火车站周围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。
定语从句语法详解与案例分析
定语从句语法详解与案例分析定语从句是英语中常用的修饰名词的从句结构，它可以给予读者更多的信息，以便更清晰地描述一个人或事物。
在本文中，我们将对定语从句的语法做详细解释，并提供一些案例分析来加深理解。
一、定语从句的基本结构定语从句的基本结构由引导词（关系词）和从句组成。
引导词根据其在定语从句中的功能和先行词的词性可以分为以下几种：1. 关系代词：who, whom, whose, which, that关系代词在定语从句中作主语、宾语或属格，其选择要根据引导词在定语从句中所充当的成分来确定。
例句1：The girl who is standing there is my sister.例句2：I have a friend whose father is a doctor.例句3：Is there anything that I can do for you?2. 关系副词：where, when, why关系副词分别表示地点、时间和原因，其在定语从句中充当状语。
例句4：I still remember the day when we first met.例句5：This is the place where we used to study.例句6：I don't know the reason why he left.二、定语从句的用法定语从句在句子中的位置可以灵活变化，但通常紧跟在被修饰的名词后面。
1. 限制性定语从句限制性定语从句对名词的修饰是必要的，如果去掉将会使句子的意思不完整或不明确。
关系词可以是关系代词或关系副词。
例句7：The book that I borrowed from the library is very interesting.例句8：He is the man who won the first prize in the competition.2. 非限制性定语从句非限制性定语从句对名词的修饰是附加的，可以去掉而不影响句子的基本意思。
定语从句的引导词及用法详解
定语从句的引导词及用法详解定语从句是英语中常用的句子结构，用来修饰名词或代词，进一步描述其特征、性质或所属关系等。
定语从句的引导词起到连接作用，使主句与从句之间产生一定的逻辑关系。
下面将详细介绍定语从句的引导词及其用法。
1. 关系代词关系代词在定语从句中既担当连接词的作用，又充当从句中的某一成分。
常见的关系代词有：who, whom, whose, which, that。
a) who：引导定语从句修饰人，作主语或宾语。
例句1：He is the man who saved my life.他就是救了我一命的那个人。
例句2：The girl who I talked to last night is my neighbor.我昨晚跟那个女孩说话的是我的邻居。
b) whom：引导定语从句修饰人，作宾语。
例句3：The girl whom he loves is very beautiful.他爱的那个女孩很漂亮。
c) whose：引导定语从句修饰物或人，表示所属关系。
例句4：The book whose cover is red belongs to me.那本封面是红色的书是我的。
d) which：引导定语从句修饰物，作主语或宾语。
例句5：This is the car which I bought last week.这是我上周买的车。
e) that：引导定语从句修饰人或物，通常可用来代替who, whom, which。
例句6：The man that you met yesterday is my brother.你昨天遇到的那个人是我兄弟。
2. 关系副词关系副词在定语从句中既充当连接词的作用，又充当从句中的某一成分。
常见的关系副词有：when, where, why。
a) when：引导时间定语从句。
例句7：I still remember the day when we first met.我依然记得我们第一次见面的那一天。
定语从句详解
定语从句一、定语：修饰名词或代词的词、短语或从句称为定语。
汉语中常用‘……的’表示。
定语主要由形容词担任。
此外名词、代词、数词、副词、介词短语以及动词不定式（短语）、分词也可以做定语。
例如：a beautiful city ；a bag full of money.注意：汉语的定语无论多长都放在被修饰词的前面，而英语中的定语则不然，是一个词时，放在被修饰词的前面，若是两个以上的词组、短语或从句则放在被修饰词的后面。
例如：thirty women teachers ; his father; the girl in red；the boy from America；Our monitor is always the first student to enter the classroom.falling leaves; fallen leaves; the boy playing basketball; the book bought by my mother;a reading room; a swimming poolHe is the man who you are looking for.二：定义及相关术语1、定语从句：修饰某一名词或代词的从句叫定语从句。
定语从句一般紧跟在它所修饰的先行词之后。
2、先行词：被定语从句修饰的名词或代词叫先行词。
3、关系词：引导定语从句的词叫关系词。
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when, where, why.关系词通常有下列三个作用：A、引导定语从句，连接主从句；B、代替先行词；C、在定语从句中担当一个成分。
（一）关系代词引导的定语从句1．who 指人，在定语从句中作主语。
The boys who are playing football are from Class One.Those who want to go to the museum must be at the school gate at 7 tomorrow morning. Yesterday I helped an old man who had lost his way. That is the teacher who teaches us physics.2．whom 指人，在定语从句中做宾语，常可省略。
英语定语从句语法详解
英语定语从句语法详解定语从句是英语中非常重要的一个语法结构，用于修饰名词或代词，并且在句子中起到定语的作用。
在本文中，我们将详细介绍英语定语从句的概念、用法以及常见的引导词。
一、定语从句的概念和用途定语从句是由一个句子作为整体，用来修饰名词或代词的句子。
它可以提供进一步的信息，使得句子更加具体明确。
定语从句通常放置在被修饰的名词或代词之后。
例如：The book that I bought yesterday is very interesting.我昨天买的那本书非常有趣。
In this sentence, "that I bought yesterday"是一个定语从句，修饰名词"book"，进一步解释了这本书的情况。
二、引导定语从句的关系代词和关系副词定语从句通常由关系代词或关系副词引导。
常见的关系代词有：who、whom、whose、which、that等；常见的关系副词有：when、where、why等。
1. 关系代词的用法a. who/whom/whose：用于人。
who用作主语或宾语，whom用作宾语，而whose表示所有关系。
例如：The man who is standing over there is my father.那个站在那里的人是我爸爸。
The boy whom I met yesterday is my classmate.我昨天遇到的那个男孩是我的同学。
This is the house whose roof is red.这是一座屋顶是红色的房子。
b. which/that：用于物。
which用作主语或宾语，that可用作主语、宾语或定语。
例如：The car which/that is parked in front of the house is mine.停在房子前面的那辆车是我的。
The book which/that I borrowed from the library is very interesting.我从图书馆借来的那本书非常有趣。
定语从句语法详解
定语从句语法详解,希望能够帮助考生备考英语学科考试,赢得高分;一、定语句子中修饰名词或代词的成分叫做定语;定语可以由形容词,名词,不定式,分词,动名词或从句来充当;eg: She is a beautiful girl. 形容词I met someone funny on my way to Beijing. 形容词修饰不定代词的定语后置He is an English teacher. 名词名词作定语时一般用单数,例外的有sports, 如 a sports starI have a lot of work to do. 不定式The book written by a schoolboy is very popular now. 过去分词短语We can see the rising sun. 现在分词 = the sun is rising.He is in the reading room. 动名词 = the room for readingThe boy who broke the window is Tom’s brother. 从句注意：1.形容词作定语一般放在所修饰的词前面;但当形容词修饰的是something, anything, everything, nothing, someone, everyone, everybody, somewhere等不定代词时,要放在这些词的后面;present 在场的, absent 缺席的作定语时需要后置; students present / absent2. 不定式做定语通常要放在被修饰的词后;3 分词作定语时,即可放在所修饰词前,也可放在所修饰词后1分词前置：单独的一个分词作定语,一般放在所修饰词前;He is a retired worker. 他是位退休的工人2分词后置分词在以下情况,放在所修饰词的后面i. 分词词组; There was a girl sitting there. 有个女孩坐在那里ii. 个别分词如given, left;This is the question given. 这是所给的问题iii. 修饰不定代词 something等There is nothing interesting. 没有有趣的东西过去分词作定语与其修饰的词是被动关系,相当于一个被动语态的定语从句;Most of the people invited to the party were famous scientists.= Most of the people who were invited to the party were from South Africa 二、定语从句Attributive Clauses在句中做定语,修饰一个名词或代词,被修饰的名词,词组或代词即先行词;定语从句通常出现在先行词之后,由关系词关系代词或关系副词引出;关系代词有：who, whom, whose, that, which等;关系副词有：when, where, why等;I like the books that are written by Mr. Green.先行词关系词A. 关系词：关系词通常有三个作用：引导定语从句,指代先行词,在定语从句中充当句子成分; Anyone who breaks the law will surely be punished.1. 先行词指人时,定语从句的引导词：1指人时,who和that都可以使用.2who和whom都可以作定语从句宾语,但从句中的介词提前时,不能用who.He is the man who / whom I talked to you about.= He is the man about whom I talked to you.3先行词是人时,只用who, 不用或少用that的情况：a. 当先行词是one, ones, anyone时,引导定语从句的关系词一般只用who, 不用that如果先行词是someone, 也可用thatHe is not one who is easily frightened.I think Joe is the one who borrowed my peo.The ones who tell lies won’t gain others’ trust.Anyone who saw the accident should phone the police.Someone who / that claims to be your uncle wants to see you.b. 先行词是those时,关系代词一般用who不用thatThose who don’t wish to go need not go.c. There be 句型中,修饰人的定语从句的关系代词一般只用who来引导There is a certain old man in the village who none of us likes.d. 若一个句子中有两个定语从句,第一个已经用that, 则第二个一般用whoThe man that is talking with our teacher is the professor who gave us a report yesterday.e. 当定语从句与先行词较远时,引导定语从句的关系代词一般只用whoI came across my first teacher in the store yesterday who was still beautiful.f 非限定性定语从句只用who来引导, 不用thatHe has a son, who is a doctor.4当先行词是人,只用that不用who的情况：a. 以who开头的特殊疑问句,定语从句的先行词如果是人,关系代词只用that不用who Who is the girl that said hello to you just nowb. 当先行词既有人也有物时,定语从句只用that来引导They ofter talk about the person and things that they remember.c. 当关系代词在定语从句中作表语时,只用that来引导He’s changed. He is not the man that he was.d. 当先行词被形容词的最高级修饰时,只用that.This is the most beautiful lady that I have ever met.e. 当先行词是other时,定语从句只用that 引导;You can ask the old man or any other that was there at the time.page2. 先行词是物时that 和which一般可以互换使用,但有时不可换用;1 下列场合一般用that:a. 先行词是all, much, anything, something, nothing, everything, little, theone, none等不定代词We should do all that is useful to the people.The little that I have seen of his work is satisfactory.b. 先行词被序数词,形容词最高级以及first, last, any, only, few, much, no, some, very等词修饰The first book that I bought in this bookstore is a dictionary.The last person that I talked with in London is my girlfriendThe best teacher that I have ever met has gone abroadYou can take any seat that is vacant.c. 先行词有两个：一个指人,另一个指物I miss all the people and places that we visited last summerd. 主句是以who或which开头的特殊疑问句;e. There be 句型中, There is a seat in the corner that is free.f. 先行词为数词时Three buildings have been completed, but there are two that are still under construction.2 下列场合不能用thata. 在非限定性定语从句中,即逗号后的定语从句不用that引导,指人时用who或whom, 指物时用which.b. 在“介词+ 关系代词”结构中不用that, 指人时用whom, 指物时用which.This is the book about which we are talking.c. 先行词为that, those时,关系词用which指物,who指人What’s that which you have got in your handd. 两个定语从句,一个用了that, 另一个则用which.Let me show you the novel that I borrowed from the library which wasnewly open to us.e. 关系代词后有插入语时,只用whichHere are some stamps which – I think – you can take away.3. 当关系词在从句中作宾语时,关系词可以省略;4. 当先行词指时间,地点,原因the reason时,且关系词在从句中作状语,用when,where, why如果关系词在从句中作主语,表语或宾语,则用that 或 which.I want to visit the place where my mother was born.= I want to visit the place in which my mother was born.I still remember the years when I studied in the middle school.= I still remember the years in which I studied in the middle school.I don’t know the reason why he didn’t agree with us.= I didn’t know the reason for which he didn’t agree with us.5. 当先行词是the way, 并且关系词在从句中作方式状语时,可以用that, in which引导,也可省略;当先行词是time, time 当“次数”讲时,用that引导定语从句,且that可以省略;当time 表示“一段时间,时间”讲时,定语从句用when或at / during which引导I don’t like the way that / in which he talked to his mother.I can hardly remember how many times that I’ve failed.I’ll never forget the time when / at which we visited your hometown.6. 当先行词family, class, team, army, company等被当作单数时,定语从句中用which,被当作复数时,用who或whom.The family, which is a large and rich one, was poor.The party, who are all children, have lost their way.7. 当先行词是动物时,定语从句一般用whichThe dog, which he had kept for five years, was killed by someone yesterday.B.“介词+ which / whom”引导的定语从句关系代词在定语从句中作介词的宾语时,常常将介词前置于作宾语的关系词前,I love the music that I can dance to. = I love the music to which I can dance.The man who I talked to just now is my brother.= The man to whom I talked just now is my brother.介词后面的关系词指人时只用whom, 不能用who或that; 指物时只用which,不能用that.注意,并非所有情况下介词都可以前移,含有介词的短语动词不可拆开,介词仍需放在动词后面,如：look for, look after, take care of等;“介词+ which / whom”前还可以用some, any, none, all, both, neither, many, most, each, few等代词,名词或数词等;His sons, both of whom loved music very much, spent most of their money on CDs. The house, the roof of which is blue, will be used as a library.C. 非限定性定语从句非限定性定语从句和主句的关系不密切,去掉定语从句,句子的意思仍然完整,形式上用逗号把主句和从句分开,使用时注意以下几点：l 非限定性定语从句不能用that引导l 非限定性定语从句中的关系词不能省略;D.as引导的定语从句的用法1. as可引导限定性定语从句,用于such…as…., so….as…., the same….as… 结构中; He bought me such a watch as was advertised in the newspaper.注意：比较the same… as…. 和the same… that….He bought me the same watch as I lost last week.他买了一块和我上星期丢的一样的表;一样,但不是同一个He bought me the same watch that I lost last week. 他把我上星期丢的那块表又买回来了;同一个2. 当非限定性定语从句的先行词不是主句中的某一个词,而是整个主句时,可以用which 或as引导;在以下情况下用as引导：a. 从句意思为“正如/正像...一样”b. 从句位于句首,构成以下结构：as is well known 众所周知 as often happens 这种情况经常发生as is often the case 情况经常这样 as is supposed 如所预料的一样as has been pointed out 如所指出的 as has been said before 如前所说在下面情况经常用which引导：主句和从句表示因果关系; He lost the game, which made us very disappointed.非限定性定语从句是否定意义;He gained a big fortune, which meant nothing to him.E.其他：1. 分隔定语从句：定语从句与先行词之间被其他成分分隔开来,这种定语从句叫做分隔定语从句,此时须注意辨别从句的先行词;The days are gone when we suffered so much.The boss of the company, whose name was Mr. Joe, told the story.2. 定语从句的谓语与先行词保持人称和数的一致;注意：先行词前有one of 修饰,定语从句的谓语用复数;not the only one of… = one of…先行词前有the only one of 修饰时,定语从句的谓语用单数;以上介绍了定语从句语法详解,希望对各位考生有所帮助;。
定语从句用法详解
定语从句用法详解
定语从句是指用来修饰一个名词或代词的从句。
它通常由关系代词或关系副词引导，并紧跟在被修饰词后面。
在英语中，定语从句的使用非常普遍且灵活，它可以为句子提供更多的信息，使语言表达更加丰富和准确。
关系代词引导的定语从句通常有三个主要形式：that, which和who（whom）。
关系代词的选择取决于修饰的名词或代词的不同。
比如，that通常用于修饰事物，which用于修饰事物或非限制性定语从句，而who（whom）通常用于修饰人。
关系副词引导的定语从句有两个主要形式：where和when。
关系副词where用于修饰地点，而when用于修饰时间。
这些关系副词常常在从句中充当副词的角色，起到修饰整个定语从句的作用。
在使用定语从句时，需要注意以下几点：
1. 在定语从句中，关系代词或关系副词的选用要准确。
根据修饰的名词或代词的不同，选择合适的关系词来引导定语从句。
2. 定语从句中的主语和宾语要与先行词保持一致。
如果先行词在定语从句中是主语，则用who或which来引导定语从句；如果先行词在定语从句中是宾语，则用whom或which来引导定语从句。
3. 定语从句可以放在被修饰词的前面或后面，但要注意语序的正确性，特别是在从句放在前面的情况下。
总结来说，定语从句是英语中一个重要且常用的句子结构。
掌握好定语从句的用法，能够极大地扩展我们的语言表达能力，使句子更加准确和具体。
掌握高中定语从句用法七招详解
掌握高中定语从句用法七招详解定语从句在整个高中英语学习阶段占据主要位置，是高中英语学习的重点，同时也是大多数高中生所望而生畏的难点。
那么究竟定语从句的学习怎样才更高效呢？什么样的定语从句的学习方法能为广大高中生说掌握呢？以下是笔者对定语从句进行的归纳和总结。
一、定语从句中的关系词（关系代词、关系副词）关系代词：that(指代人、物；充当主语和宾语)；which（指代物，充当主语和宾语）；who（指代人，充当主语和宾语）；、whom（指代人，充当宾语）；whose（指代人、物，充当定语，在定语从句中和名词一起充当主语或宾语）；as（指代人、物，充当主语、宾语、表语）关系副词：where（充当地点状语）；When（充当时间状语）；Why (充当原因状语)；二、定语从句的使用用法首先：我们要明白关于定语从句两个最基本的概念：是个完整的句子，而且在句中充当定语成分。
去掉定语从句后，剩下的仍然是个完整的句子，不过加上定语从句后，更方便我们对句子本身意思的理解。
例：The visitor (whose passport was stolen) was on his way to the US.护照被偷的那位乘客正在去美国的路上。
解析：括号里面的为定语从句，去掉后剩下的部分仍然是完整的，不缺少任何成分。
其次：找出定语从句中的先行词，判断出指代人或者物之后，选择相应的关系代词，代入定语从句，因为定语从句也必须是个完整的句子，所以我们这个时候就要判断所选择的关系代词在定语从句中充当什么成分。
比如上面的例子：Whose passport was stolen. 中whose指代the visitor’s，代入定语从句后完整的句子就是：The visitor’s passport was stolen.（那位游客的护照被偷了。
）是个完整的句子。
The visitor’s passport在句中充当主语成分。
初学定语从句的高一同学们在课堂时老师经常会让我们讲两个简单句合并成一个含有定语从句的复杂句，以下我们介绍一下合并的方法。
(word完整版)英语定语从句用法详解
英语定语从句用法详解在复合句中，修饰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，引导定语从句的有关系代词 who, whom, whose， which, that等和关系副词where， when, why等，关系代词和关系副词在定语从句中担任句子成份.1.由who引导的定语从句中， who用作主语，如： This is the boy who often helps me.2。
由whom引导的定语从句中，whom用作宾语，如：The man whom you are waiting for has gone home.3.由whose引导的定语从句中， whose用作定语，如： Do you know the girl whose skirt is white? 4。
由which引导的定语从句中，which用作主语或谓语动词的宾语或介词的宾语，如：The room in which there is a machine is a work shop。
The river which is in front of my house is very clean.This is the pen which you want。
注意：(1）whom, which用作介词宾语时，介词可放在 whom、which之前 , 也可放在从句原来的位置上;但在含有介词的动词固定词组中，介词只能放在原来的位置上。
如： He is the very person whom we must take good care of.(2）引导非限制性定语从句时，必须用关系代词which，不用that，如：I have lostmy bag， which I like very much.（3）关系代词在句中作主语时，从句的谓语动词的人称和数必须和先行词保持一致.5.由that引导的定语从句中，that可以指人或物,在从句中作主语或谓语动词的宾语，但不能放在介词后面作介词宾语,如：The book that I bought yesterday was written by Lu Xun.注意在下面几种情况下必须用 that引导定语从句。
定语从句用法详解(最新独家例句)
定语从句用法详解（最新独家例句）在复合句中，修饰某一名词或代词的从句叫做定语从句。
定语从句属于形容词性从句。
定语从句所修饰的词，语法上叫先行词。
定语从句放在先行词后面，由关系代词that, which, who, whom, whose和关系副词where, when和why引导从句。
对中学生来说，定语从句是英语语法中最难的存在，为什么？因为关系代词和关系副词一方面要引导定语从句，另一方面它们还指代先行词在定语从句中充当主语，宾语，状语或定语。
这是我们掌握定语从句的关键。
所以在定语从句中要选择关系代词和关系副词，就要看它指代的先行词在从句中充当什么成分：一、在从句中做主语或宾语1，先行词是人，在从句中做主语，用who或that引导：There are social media celebrities who build followings by sharing emotionally appealing lies. 有些网红通过分享煽情的谎言来吸引粉丝关注。
As anyone who has ever had a toothache knows, nothing is more miserable than problems with your teeth.任何一个牙痛过的人都知道，没有什么比牙齿问题更痛苦的了。
Mothers who are interested in losing weight after giving birth to a baby need to take a multidimensional approach to solving the problem.有兴趣在生完孩子后减肥的母亲需要采取多方面的方法来解决这个问题。
A thousand years ago，they didn’t have comedians, but they had people who looked at things in different ways.千年前，没有喜剧演员，但他们有以不同方式看待事物的人。
定语从句的形式与用法详解
定语从句的形式与用法详解定语从句是英语中非常常见的一种修饰手段，它可以通过从句的形式为主句中的名词或代词提供更多的信息。
掌握好定语从句的形式与用法，对于我们正确运用英语语法和提升语言表达能力有着重要的作用。
本文将详细介绍定语从句的形式与用法，并给出一些例句以便更好地理解和掌握。
一、形式定语从句可以分为三种形式：关系代词引导的定语从句、关系副词引导的定语从句以及省略关系词的定语从句。
1. 关系代词引导的定语从句关系代词引导的定语从句常见的有：who、whom、that、which、whose。
这些关系代词在从句中作主语、宾语或表语，并与先行词在句子中保持一致。
下面是一些例句：- The student who is sitting in the front row is my best friend.- I have a cat that likes to play with a ball of yarn.- This is the book which I borrowed from the library.在日常英语中，关系代词that是最常用的引导词，它既可以修饰人也可以修饰物，而who、whom、which、whose分别用于修饰人、物、所有格的形容词性物主代词。
2. 关系副词引导的定语从句关系副词引导的定语从句常见的有：when、where、why。
这些关系副词在从句中具有状语的作用，分别表示时间、地点和原因。
下面是一些例句：- Do you remember the day when we first met?- This is the house where I was born.- Can you tell me the reason why he is so angry?3. 省略关系词的定语从句在定语从句中，当从句的主语和先行词一致时，我们可以省略关系代词或关系副词，只保留谓语动词。
定语从句用法详解[高考英语语法]
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定语从句详解⾸先，（任何）从句结构：“关联词+从句主语+从句谓语”位置：从句之⾸，主句先⾏词之后。
成分：关系代词和关系副词均在定语从句中充当句⼦成分。
⾮限制性定语从句：（1）反作补充说明，与主语关系不甚密切，朗读时先⾏词⽤降调并稍做停顿，多半逗号与主句隔开。
（2）能修饰整个句⼦，限制性定语从句则不能。
与限制性定语从句含义不同，限制-是确指，⾮限制性定语从句是泛指。
（3）先⾏词为{专有名词，具有特指对象的名词}⼀般要⽤到⾮限制性定语从句。
（4）关系代词不能⽤that ，先⾏词指{⼈：⽤who、whom；物：which }关系代词与介词“介词+关系代词”既能引导⾮限制性定语从句，⼜能引导⾮限制性定语从句。
介词要根据先⾏词、从句的谓语动词、从句中的形容词来选择，也可根据句意选择。
I．介词放在关系代词的前⾯时，介词短语只能⽤which代物；和⽤whom代⼈；whose还可在从句中与它所修饰的词⼀起作介词宾语。
This is the hero of whom we are proud.I want to find the very pen with which I wrote that letter.The boss in whose company my father worked is a very kind person.II．当介词放在句⼦的末尾时，可⽤that/which代物，that/whom/who来作为介词的宾语，且这个做介词宾语的关系代词往往忽略This is the hero that (who/whom/忽略) we are proud of.特:(1)from where为”介词+关系副词”结构,where作from的宾语,但也可引导定语从句。
例如:We stood at the top of the hill,from where we can see the town.(2) 有些动词+介词所组成的短语动词，关系⾮常紧密，介词不能前置。
高中定语从句用法归纳总结详解
定语从句用法总结大全详解一、定语从句的相关概念1.定义：在主从复合句中作定语，修饰名词或代词的从句，该从句就叫定语从句。
2.先行词：被一个句子（定语从句）修饰限定的名词、代词或整句话。
This is an apple（先行词）which （关系代词）is mine.3、引导定语从句的词引导定语从句的引导词分为关系代词和关系副词两大类。
关系代词有：指代人的who、whom，指代物的which和既指代人又指代物的that、whose。
关系副词有：when, where, why二. 关系代词的基本用法1.关系代词that和which的基本用法:(1)That既可以指代人也可以指代物。
指人时that相当于做主语的who或者作宾语的whom; 指物时相当于which。
That 在定语从句中作主语或者宾语, 作宾语时可以省略。
(2)which用来指物, 在定语从句中作主语或者宾语, 作宾语时可以省略。
①Mr. Wang is my teacher that cares about me most. （划线部分是宾语从句，that前为主句，关系代词that指代先行词my teacher并在定语从句中作主语。
)②This is the book that/which I bought yesterday.(关系代词that/which指代先行词book, 并在定语从句中作宾语可以省略。
)2. 关系代词who和whom的用法:who用来指人, 在定语从句中作主语，指代人作宾语时用whom。
who在非正式语和口语中可以代替whom作宾语, 可以省略。
例如：The man who came to our school yesterday was Tom.关系代词who指代先行词the man, 并且在定语从句中作主语。
The man who/whom you are talking about is Tom.关系代词指代先行词The man, 并且在定语从句中作宾语, 所以用whom, 也可以用who, 并且可以省略。
完整版)定语从句语法详解
完整版)定语从句语法详解定语从句是用来修饰某一名词或代词的从句，通常放在先行词之后，由关系词引导。
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，因此也被称为形容词性从句。
定语从句分为限制性定语从句和非限制性定语从句。
关系词是引导定语从句的关联词，包括关系代词和关系副词。
关系代词有that。
who。
whom。
whose。
which和as（主、宾、定）；关系副词有when。
where。
why（状语）。
关系词的作用是连接先行词和定语从句，并代替先行词在句中充当成分。
限制性定语从句是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。
从句和主句的关系十分密切，不可用逗号隔开，也不可省略。
例如：She has found the necklace that she lost two weeks ago.非限制性定语从句是对先行词进行补充说明，但如果去掉，主句的意思仍然完整。
从句和主句之间用逗号隔开，一般用于口语或文学作品中。
例如：My friend。
who is a doctor。
gave me some medical advice.这是我看过的最有趣的电影。
2.只用which的情况：1)当先行词在从句中作表语时，只能用which，不能用that。
XXX.他给出的理由不令人信服。
2)当先行词是物时，且在从句中作主语时，只能用which，不能用that。
egThe book which is on the desk is XXX.在桌子上的书是我的。
3.既可以用that，也可以用which的情况：1)当先行词是人或物时，且在从句中作宾语时，that和which都可以使用。
XXX.我昨天遇到的那个人是一名医生。
The car that/which I bought last year is very XXX.我去年买的那辆车非常贵。
2)当先行词在从句中作介词宾语时，that不能用，只能用which。
定语从句的引导词与用法初中语法详解
定语从句的引导词与用法初中语法详解定语从句是英语语法中的一个重要部分，它可以用来修饰名词或代词，进一步说明或描述被修饰的词。
在定语从句中，引导词的选择十分关键，不同的引导词代表着不同的用法。
下面将详细介绍定语从句的引导词及其用法。
1. 关系代词关系代词在定语从句中充当主语、宾语或表语，并与主句的先行词有一定的关系。
常见的关系代词有：who，whom，which和that。
a) Who/Whom:Who用来代替人，作主语使用；Whom用来代替人，作宾语使用。
例句1：I know a girl who is good at swimming.（我认识一个擅长游泳的女孩。
）例句2：The woman whom you met yesterday is my English teacher.（你昨天见到的那个女人是我的英语老师。
）b) Which:Which用来代替物，作主语或宾语使用。
例句3：I lost the book which you lent me.（我把你借给我的书丢了。
）c) That:That既可代替人也可代替物，作主语或宾语使用。
在口语中更常用。
例句4：The car that is parked there belongs to my friend.（停在那边的车是我朋友的。
）2. 关系副词关系副词在定语从句中充当状语，并且与先行词在意义上相对应。
常见的关系副词有：where，when和why。
a) Where:Where用来引导修饰地点的定语从句。
例句5：This is the school where I studied English last year.（这是我去年学英语的学校。
）b) When:When用来引导修饰时间的定语从句。
例句6：I still remember the day when we first met.（我依然记得我们第一次见面的那一天。
）c) Why:Why用来引导修饰原因的定语从句。
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初中英语分类练习——定语从句【复习目标】▲掌握定语从句的意义及作用。
▲区别各类引导词。
【课前准备】●要求学生用定语从句造五个句子。
【知识要点】在复合句中，修饰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，引导定语从句的有关系代词who, whom, whose, which, that等和关系副词where, when, why等，关系代词和关系副词在定语从句中担任句子成份。
1.由who引导的定语从句中，who用作主语，如：This is the boy who often helps me.2.由whom引导的定语从句中，whom用作宾语，如：The man whom you are waiting for has gone home.3.由whose引导的定语从句中，whose用作定语，如：Do you know the girl whose skirt is white?4.由which引导的定语从句中，which用作主语或谓语动词的宾语或介词的宾语，如：The room in which there is a machine is a work shop.The river which is in front of my house is very clean.实用文档This is the pen which you want.注意：(1)whom, which用作介词宾语时，介词可放在whom、which之前，也可放在从句原来的位置上；但在含有介词的动词固定词组中，介词只能放在原来的位置上。
如：He is the very person whom we must take good care of.(2)引导非限制性定语从句时，必须用关系代词which，不用that,如：I have lostmy bag, which I like very much.(3)关系代词在句中作主语时，从句的谓语动词的人称和数必须和先行词保持一致。
5.由that引导的定语从句中，that可以指人或物，在从句中作主语或谓语动词的宾语，但不能放在介词后面作介词宾语，如：The book that I bought yesterday was written by Lu Xun.注意在下面几种情况下必须用that引导定语从句。
(1)先行词是不定代词all, few, little, much, something, nothing, anything等，如：All that we have to do is to practise English.(2)先行词被序数词或形容词最高级所修饰，如The first letter that I got from him will be kept.(3)先行词被all, any, every, each, few, little, no, some等修饰，如I've eaten up all the food that you gave me.实用文档(4)先行词被the only, the very, the same, the last修饰时如He is the only person that I want to talk with.(5)先行词既有人又有物时，如:They talked about persons and things that they met.(6)当句中已有who时，为避免重复，如：Who is the man that is giving us the class?6.由when, where, why引导的定语从句，如:I don't know the reason why he was late.This is the place where we have lived for 5 years.I'll never forget the day when I met Mr Li for the first time.注意：先行词是表示地点时，如果从句的谓语动词是及物的，就用that(which)，如果从句的谓语动词是不及物的，就用where引导。
This is the house Which /that he has lived in for 15 years.(Where he has lived for 15 year.)7. 限制性定语从句和非限制性定语从句(1)限制性定语从句是句中不可缺少的组成部分，主句和从句之间不用逗号分开。
引导非限制性定语从句的关系代词有who, whom, whose, which, of which等，这些关系代词都不能省略。
实用文档(2)非限制性定语从句是对主句先行词的补充说明，没有这种从句，不影响主句意思的完整，一般用逗号把主句和从句分开，关系代词用which,不用that;指人时可用who,如：I have two brothers, who are both students.8．如何简化定语从句（1）.定语从句简化为形容词或形容词短语作后置定语。
如:My grandfather lives in a village that is far away from here.→My grandfather lives in a village far away from here.我祖父住在离这儿很远的一个村子。
This is a book that is worth reading.→This is a book worth reading. 这是一本值得看的书。
（2）定语从句简化为现在分词或现在分词短语作前置或后置定语。
The man who is standing under the tree is our English teacher.→T he man standing under the tree is our English teacher.站在树下面的那个人是我们的英语老师。
I saw the house that was burning at that time.→I saw the burning house at that time.当时我看到那房子在燃烧。
（3）定语从句简化为过去分词短语作后置定语。
I like to see the films which are directed by Zhang Yimou.→I like to see the films directed by Zhang Yimou. 我喜欢看张艺谋导演的电影。
实用文档She is the girl who was praised at the school meeting.→She is the girl praised at the school meeting. 她就是在校会上受表彰的那个女孩。
（4）定语从句简化为不定式作后置定语。
He is always the first person that comes to school.→He i s always the first person to come to school.他总是第一个到校。
The report which will be given tomorrow is important to us.→The report to be given tomorrow is important to us. 明天要作的报告对我们很重要。
（5）定语从句简化为what 从句。
I couldn't remember the words that he said.→I couldn't r emember what he said.我记不得他说的话。
【典型例题解析】例1 The second book ______I want to read is Business @ the Speed of Thought.A. whichB. whatC. thatD. as解析先行词book被序数词修饰时要用that引导定语从句，故选C。
例2 I'll never forget the days _____I stayed with you.A. whenB. in whichC. thatD. for which解析本题指时间，故选A。
例3 The book______ is sold out at the moment.实用文档A. you needB. what you needC. which you need itD. that you need it解析B、C、D中的what和it与先行The book相抵触，故选A。
例4 Is this the place ______Lincoln once lived.A. thatB. whichC. whereD. when解析本题指地点，故选C。
例5 I'm one of the boys _________ never late for school.A. that isB. who areC. who amD. who is解析本题中who用作主语，谓语动词与先行词the boys保持一致，故选B。
【选讲例题】例6 Her sister,______ you met at my home, was a teacher of English.A. whomB. thatC. whichD. who is解析非限制性定语从句中，关系代词用which,不用that,但指人时用who或whom.故选A。
例7 These book are for students _____ mother language is not English.A. of whomB. thatC. whichD. whose解析whose引导的定语从句中,whose用作定语，故选D。
实用文档。