初中英语定语从句讲解及练习
译林版英语九年级上册unit8定语从句讲解和练习
中考英语定语从句讲解及练习在复合句中修饰名词和代词的从句叫做定语从句。
被定语从句修饰的名词或代词叫做先行词。
引导定语从句的关系代词有who, whose, whom, which, that 。
引导定语从句的关系副词有when, where, why。
关系代词在定语从句中做主语，宾语，定语。
关系副词在定语从句中做状语。
一、who引导的定语从句,who在从句中做主语(口语中也可做宾语)，修饰表示人的先行词。
This is the man who helped me.The boy who//whom we saw yesterday is John’s brother.二、whom引导的定语从句,whom在从句中作宾语,修饰表示人的先行词，口语中可以省略。
The doctor (whom) you are looking for is in the room.The person (whom) you just talked to is Mr. Li.=The person to whom you just talked is Mr. Li. (介词后whom不能省略)The babies whom the nurses are looking after are very healthy.(固定短语中的介词一般不能拆开，仍放在动词之后。
look for / look after /take care of / put on / take off…)三、whose引导的定语从句,whose在从句中作定语，修饰表示人或物的先行词。
Do you know the woman whose name is Mary. Pass me the dictionary whose cover is black. He has a friend whose father is a doctor.四、that引导的定语从句，that在从句中做主语或宾语、修饰表示人或物的先行词。
(英语)初中英语定语从句技巧(很有用)及练习题及解析
（英语）初中英语定语从句技巧(很有用)及练习题及解析一、定语从句1．.-----1’11 never forget the school ______I used to study .--So will I．A． which B． what C． where【答案】C【解析】试题分析：句意：-我永远都不会忘记我曾经学习的那所学校。
—我也不会。
先行词school 在定语从句中作地点状语，可以用关系副词where代替。
所以选C。
考点：考查定语从句。
2．Ant Forest is a popular mobile app_____ allows people to plant real trees in the desert by collecting “green energy points’’.A．what B．who C．whom D．which【答案】D【解析】【详解】蚂蚁森林是一款允许人们通过收集绿色能量在沙漠里种植真的树木的流行的手机应用软件。
考查定语从句。
本句为定语从句，先行词是a popular mobile app指物，关系词用which，故选D。
3．All the children like the teachers ________ can understand them.A．what B．which C．who D．whose【答案】C【解析】【详解】句意：所有的孩子都喜欢能理解他们的老师。
本句是一个定语从句，先行词teachers是人，而且关系词在定语从句中作主语，故用关系代词who引导此定语从句，故选C。
4．This is the most beautiful picture __________ I have ever seen.A．that B．which C．what D．who【答案】A句意：这是我见过的最漂亮的画。
考查定语从句。
先行词被最高级修饰时，引导词应用that。
初中定语从句练习及答案解析
定语从句练习一、单项选择1, We don't like people talk too much but never do anything. A. whose B. who C. when D. which答案B解析：此题考查的是定语从句。
根据句意“我们不喜欢那些只说不做的人”, 可知此处talk too much but never do anything是定语从句,修饰先行词people ,故选择指人的关系词;且定语从句缺少talk的主语,故用who ,故选B。
2, I still remember the time____ we spent together at Mount Tai last year.A. WhenB. whatC. whoD. which答案D解析；考查关系代词。
由题意可知:我仍旧记得去年我们一起在泰山度过的时光。
先行词the time是物，在定语从句中充当宾语,关系代词应用which.故选D。
3, ——What kind of movies do you like?——I like the movies are about Chinese history.A. whoB. whomC. whoseD. which答案D解析：该题考查定语从句的关系词。
先行词为the movie为物，所以要用指物的关系代词that或which。
4, Yesterday Li Ming went to the village___ his family lived ten years ago.A. whenB. whichC. whereD. that答案C解析:考查定语从句。
这句话的意思是:昨天李明去了他家人10年前住过的村子。
前面的village 是先行词,后面的作状语,所以只能选择疑问副词,且表示地点,用where,故选C。
5, ——Where did you go last week?——we went to Zhang Aiping's hometown and visited the house_____ he was born in.A. thatB. whereC. whoD. whose答案A解析:考查关系代词。
初中英语定语从句解题技巧讲解及练习题(含答案)及解析
初中英语定语从句解题技巧解说及练习题( 含答案 ) 及分析一、定语从句1．-- Class, you should be thankful to those people _______ helped and supported you.--We will. Miss Chen.A． whichB． whomC． whoD． whose【答案】 C【分析】句意：——同学们，你们应当感谢那些帮助你们和支持你们的人。
——陈小姐，我们会的。
which 指引定语从句，修饰事物，作主语、宾语和表语；whom 指引定语从句，修饰人，作宾语或表语；who 指引定语从句，修饰人，作主语或宾语。
whose 指引定语从句，修饰人或物，作定语；此处修饰先行词people ，表示人，作定语从句的主语，故用who 。
应选 C。
2．When we speak of culture, we mean a way of life_________ a group of people have in common.A． what B． who C． where D． that【答案】D【分析】【详解】句意：当我们提及文化的时候，我们指的是一群人共同拥有的生活方式。
观察定语从句的指引词。
依据句意：当我们提及文化的时候，我们指的是一群人共同拥有的生活方式。
逗号后边的句中是含有定语从句的复合句，先行词是life ，表示“物”，用指引词that ，在从句中做宾语。
what不可以指引定语从句。
先行词“人”，指引词常用who 。
where在定语从句是中做地址状语。
应选D。
【点睛】指引定语从句的关系词包含关系代词和关系副词。
关系代词有that, which, whose, who, whom, as ；关系副词有 when, where, why 。
关系代词和关系副词在定语从句中都充任必定的句法成份。
关系代词在从句中充任动词的宾语时一般能够省略。
初中英语定语从句专项讲解与练习
初中英语定语从句专项讲解与练习初中英语定语从句系统讲解及配套练（含答案）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.二、定语从句的关系词关系词常有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。
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。
1.限制性定语从句紧跟先行词，主句与从句不用逗号分开，从句不可省去，限定性定语从句是先行词在乎义上不成短少的定语，假如去掉的话，主句的意义就不完全，意义就表述不明。
这类句型普通定语从句紧接先行词，如：I was the only person in myoffice who was invited.2.非限定性定语从句主句与从句之间有逗号分隔，起弥补申明感化，如省去，意义仍完全。
非限制性定语从句。
它与主句的关系不十分密切，只是对其附加说明，也就是讲即便去掉定语从句，句意也不受影响，仍然清晰明了。
这样的定语从句要在它和主句之间加一逗号分开。
且关系代词不引导这种非限制性定语从句，如：Michael Jaskon，who is the greatest singer in the world，passed away in 2010.如：Mary lived in the city of Hongkong，where used to be a small poor countryside.4、干系代词的用法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。
定语从句讲解和练习
定语从句复习提纲※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）；第三选择合适的关系词。
一，只用that不用which的情况1，当先行词是all, little, few, much, something, everything, anything, nothing, none等不定代词时。
如：Everything that happened then was like a nightmare.I will tell him all that you told me at the ball.2，当先行词被only, any, few, little, no, all, just, very（恰好的,表示强调）等词修饰时。
例如： The only thing that we could do was to wait.That’s the very thing that we can do.3、当先行词是序数词、形容词最高级或先行词被序数词或形容词最高级修饰时。
例如：The first place that we visited was the Great Wall.This is the best novel that I have ever read.4、被修饰词为数词时。
例如：Yesterday I caught two fish and put them in a basin of water. Now you can see the two that are still alive.5、主句是There be结构，修饰主语的定语从句宜用that作关系代词修饰物。
例句：There’s still a room that is free.6、先行词中同时包括人和物时。
例如：We talked about the people and the villages that we remembered.He asked about the factories and workers that he had visited.7、当主句中有who, which时，而定语从句中也要用到who或which时，为了避免who…who, which…which等重叠，定语从句要用that引导。
(完整word版)初中英语定语从句详解及全部重点练习题。
初中英语定语从句全部详解和专项练习其实在初中英语中让许多人头疼的就是定语从句了。
下面是初中三年的定语从句所有及其练习。
定语从句在句中做定语，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。
一．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。
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。
初三英语定语从句完整归纳讲解及练习
初三英语定语从句完整归纳讲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,定语从句一般放在先行词后二、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（一）限制性定语从句中关系代词的用法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.位于火车站附近的那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。
初中定语从句详解及练习附答案
初中定语从句详解及练习附答案定语从句详解及练习附答案第一部分:基础知识（一）．定语从句概述定语可以由形容词，代词，数词，名词，不定式，介词短语来充当。
如果是一个句子担任定语，那么这个句子就叫做定语从句，又可称为形容词性从句。
定语从句通常修饰某一名词或代词，被定语从句修饰的这一名词或代词叫先行词，它位于定语从句之前，定语从句在先行词后面，应尽量紧跟先行词。
定语从句的作用即在于对先行词进行限定说明或补充说明。
（二）．定语从句的引导词。
定语从句的引导词分为两类，关系代词（that, which, who, whom, whose ）和关系副词（when, where, why ），引导词在先行词和定语从句之间，既起连接作用，即连接先行词和定语从句，更重要的是，它又在定语从句中作一个成分。
（三）．关系代词1. that 指人，物，在从句中作主语，宾语，表语。
This is the photo that I took in the country.He is the singer that I met yesterday.2. which 指物，在从句中作主语，宾语，在非限定定语从句中充当定语，或者代替前句The film which we saw last night was moving.3. who 指人，在从句中作主语，宾语。
The person who visited our classroom yesterday was our new headmaster.The man who you just talked to is Tom.4. whom 指人，在从句中作宾语。
That is the professor whom you want to know.5. whose 指人，物，在从句中作定语，相当于先行词+ ’s, 后接一名词。
I know the boy whose parents are dead.I don’t like those cities whose roads are dirty.注：关系代词在从句中作宾语时可以省略。
(英语)初中英语定语从句技巧(很有用)及练习题含解析
（英语）初中英语定语从句技巧(很有用)及练习题含解析一、定语从句1．The story ______ I read in the newspaper was about a common problem among teenagers. A．whose B．who C．that D．where【答案】C【解析】【详解】句意：我在报纸上读到的那个故事是关于青少年的一个普遍问题。
考查定语从句的先行词。
这里指代我在报纸上所读的故事，用that作为定语从句的先行词。
故选C。
2．-----Do you know the man ________ is reading the book over there?--------- Yes, he is Mr. Green, our P.E. teacher.A．which B．what C．whom D．who【答案】D【解析】who代指the man引导定语从句。
整句理解：你认识那边读书的那个男士吗？是的。
他是我们的体育老师，Mr Green.所以选D.3．-Have you found the information about the famous people ______ you can use for the report? -Not yet. I’ll search some on the Internet.A．who B．what C．whom D．which【答案】D【解析】【详解】句意：——你有没有找到一些能够用于报告的名人的信息？——还没有。
我将在网上搜索一些。
考查定语从句。
本句先行词information是物，在定语从句中作宾语，故用关系代词which 或that引导定语从句，所以选D。
4．The girl catches the flowers on a wedding will be the next to get married.A．whom B．which C．who D．whose【答案】C【解析】考查定语从句的用法。
中考英语定语从句讲解及练习
中考英语定语从句讲解及练习在复合句中修饰名词和代词的从句叫做定语从句。
被定语从句修饰的名词或代词叫做先行词。
引导定语从句的关系代词有who, whose, whom, which，that .引导定语从句的关系副词有when，where, why。
关系代词在定语从句中做主语,宾语，定语。
关系副词在定语从句中做状语。
一、who引导的定语从句,who在从句中做主语（口语中也可做宾语),修饰表示人的先行词.This is the man who helped me。
The boy who//whom we saw yesterday is John’s brother。
二、whom引导的定语从句,whom在从句中作宾语，修饰表示人的先行词，口语中可以省略。
The doctor (whom）you are looking for is in the room。
The person （whom）you just talked to is Mr。
Li.=The person to whom you just talked is Mr. Li。
(介词后whom不能省略)The babies whom the nurses are looking after are very healthy.（固定短语中的介词一般不能拆开，仍放在动词之后。
look for / look after /take care of / put on / take off…）三、whose引导的定语从句，whose在从句中作定语，修饰表示人或物的先行词。
Do you know the woman whose name is Mary。
Pass me the dictionary whose cover is black。
He has a friend whose father is a doctor。
四、that引导的定语从句，that在从句中做主语或宾语、修饰表示人或物的先行词。
定语从句讲解与练习
定语从句讲解与练习定语从句讲解与练习定语从句在初中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的拔高.下面是店铺为你带来的定语从句讲解与练习，欢迎阅读。
一．定义：在复合句中修饰某一名词或代词的从句叫定语从句。
二．特点：1.先行词：定语从句所修饰的名词或代词2. 关联词：1）引出定语从句，并作从句的一个成分。
可作主语、宾语、定语、状语，作宾语可省略。
2）关联词包括关系代词和关系副词。
关联词位于先行词和定语从句之间。
关系代词：that, which, who, whom, whose代指先行词。
关系副词：when, where, why作时间状语。
三．基本结构：先行词+关联词+定语从句剩余部分四．关系代词的用法：1. that 和whichthat指人或物，作主语或宾语，作宾语可省略，主语不能。
Which指物，不指人，作主语或宾语，作宾语可省略，主语不能。
His father works in a factory that/which makes TV sets.Who was hurt in the accident that/which happened yesterday?The coat (which/that) I put on the desk is black.注意：The room in which I live is very big. (在介词后面不能用that)2.只能用that不能用which引导的定语从句：1) 先行词被形容词最高级修饰时，定语从句只能用thatThis is the most interesting story (that) I have ever heard.2）先行词被序数词修饰时，定语从句只能用thatThe children like the second lesson that is about “The Football Match”.3）先行词被the only，the very 或the same等修饰，定语从句只能用that引导。
初中英语定语从句的技巧及练习题及练习题(含答案)含解析
初中英语定语从句的技巧及练习题及练习题(含答案)含解析一、定语从句1．Most students like the teachers understand them well.A．which B．who C．where D．when【答案】B【解析】试题分析：句意：绝大多数的学生都喜欢能够很好理解他们的老师。
分析：考查定语从句的用法，先行词是the teacher,先行词在从句中作主语，因此引导词用who.故选 B考点：考查定语从句的用法。
2．I think the film Amazing China is ________film __________I’ve ever seen.A．the most exciting;which B．more exciting;whichC．more exciting;that D．the most exciting;that【答案】D【解析】【详解】句意“我认为《厉害了我的国》是我看过的最令人振奋的电影”。
根据I’ve ever seen可知，第一空处用最高级，排除B和C；第二空处考查定语从句，先行词为film，且先行词被形容词最高级修饰时，用that，故选D。
【点睛】在定语从句中先行词that和which都指物，只用that不用which的情况：先行词为all, much, something, everything, nothing, little, none, the one时。
先行词被形容词最高级修饰时。
当先行词被the only, the very, the just修饰时。
先行词中即有人又有物时。
3．The girl handed everything _____ she had picked up in the street to the police.A．which B．in which C．that D．all【答案】C【解析】【详解】句意：女孩把她在街上捡到的所有东西都交给了警察。
初中英语定语从句用法及配套练习讲解2[1]
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初中英语定语从句用法及配套练习一．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。
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. （语）玛丽喜欢轻柔的音乐。
The coat （that）I put on the desk is blue.（语）我放在桌子上的那件外套是蓝色的。
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.（语）位于火车站附近的那座大楼是一家超市。
The film （which）we saw last night was wonderful. （语）我们昨天晚上看的那部电影很好看。
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，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，that，which可省略，但介词在关系代词前时，只能用“介词+which/whom”结构。
（完整版）初中定语从句讲解及练习
（完整版）初中定语从句讲解及练习初中定语从句讲解及练习定义：在复合句中，修饰某一名词或代词的从句叫做定语从句。
如：1) The man who lives next to us is a policeman.2) You must do everything that I do.上面两句中的man和everything是定语从句所修饰的词，叫先行词，定语从句放在先行词的后面。
引导定语从句的词有关系代词that, which, who(宾格who, 所有格whose)和关系副词where, when、why关系词常有三个作用：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、关系代词引导的定语从句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.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. ( which 在句子中做主语)(2) This is the pen (which) he bought yesterday. ( which 在句子中做宾语)4. that指人时，相当于who或者whom；指物时，相当于which。
在宾语从句中做主语或者宾语，做宾语时可省略。
英语定语从句讲解及练习
英语定语从句讲解及练习一、什么是定语从句定语从句是英语中一种常见的复合句结构，用来修饰名词或代词。
它通常由一个关系词引导，用来限定或描述先行词的属性、特征或状态。
定语从句的引导词有：who, whom, whose, which, that等。
二、定语从句的结构定语从句一般由三部分组成：1. 关系词：引导定语从句的词，如who, which等。
2. 先行词：定语从句所修饰的名词或代词。
3. 从句：包含主语和谓语，并与先行词之间存在关系的句子。
定语从句的位置可以是先行词之前或之后，具体位置取决于引导词的属性。
下面是一些定语从句的例子：- The man who is wearing a blue hat is my brother.who is wearing a blue hat is my brother.- The book which I bought yesterday is very interesting.which I bought yesterday is very interesting.- This is the house that Jack built.that Jack built.三、练请根据所给情景，完整地填入合适的定语从句。
1. The girl whose father is a doctor studies medicine at university.whose father is a doctor studies medicine at university.2. I have a friend who lives in London.who lives in London.3. This is the house that was built in the 18th century.that was built in the 18th century.4. The car which was stolen has been found by the police.which was stolen has been found by the police.5. The student whom I met yesterday is very friendly.whom I met yesterday is very friendly.四、小结英语定语从句是一种常见的句子结构，用于修饰名词或代词。
初中英语语法 定语从句 专题讲解 (含教案设计及练习题)
初中英语语法定语从句专题讲解学生通过本课学习，能够掌握定语从句的概念、知识要点和用法，并在综合能力上有一定的应用。
☆课堂回顾：英语句子结构——定语：一、什么是定语定语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。
定语通常位于被修饰的成分前。
He is a clever boy.（形容词作定语）His father works in a steel work.（名词作定语）There are 54 students in our class.（数词）Do you known betty’s sister?（名词所有格）He bought some sleeping pills.（现代分词）His spoken language is good.（过去分词，相当于形容词）基础操练：请画出下列句中的定语。
1. What is your family name?2. The boy in blue is Tom.3. The man downstairs was trying to sleep.4. There are five boys who will play the game.★本课知识点：定语从句的知识要点定语从句课本例句导入：the teacher who teaches us maths is a young man.the restaurant where we had our lunch last time is in tha 17th street.the book that you borrowed from me yesterday is helen's.一、定语从句的概念:定语从句属于形容词性从句，用来修饰主句中的名词性成分，如主语、宾语。
定语从句在英语阅读材料里处处可见。
它是初中阶段的重要语法内容，也是学好英语的重难点。
首先我们了解一下定语：一本有趣的书an interesting book 形容词interesting做定语修饰名词book一位漂亮的女孩a beautiful girl形容词beautiful做定语修饰名词girl★定语就是在句子中修饰名词或代词的词。
定语从句讲解及巩固练习(有答案)
定语从句讲解及巩固练习一、定语从句的概念关系词（引导定语从句）↑1.People who have the highest EQ are the most successful↓先行词(被修饰词)二、定语从句的分类1. 限制性定语从句: 与先行词关系密切, 如果没有定语从句, 主句不完整, 且与先行词之间无逗号。
2. 非限制性定语从句: 对先行词起补充说明作用, 如果删除, 主句意义仍然完整, 与先行词之间有逗号。
eg: On the desk there are twenty books, three of which are mine.My aunt Alice ,whom I haven’t seen for years, is coming next month.★ that不能用于非限制性定语从句。
三、定语从句的关系词1. 指人的关系代词: who / whom / that1) 先行词在从句中作主语eg: A doctor is a person who / that looks after people’s health.2) 先行词在从句中作宾语eg: Mr White invited many friends to his party (who / whom / that) he respected much.3) 关系代词前有介词eg: Nancy is the right person on whom you can depend.小结：⑴ 指人的关系代词中，在从句中充当主语的是who和that,且在句中不可以省略。
⑴ 指人的关系代词中, 在从句中充当宾语的是who，that和whom，且可以省略。
⑴ 当关系代词前有介词时，指人只能用whom。
2. 指物的关系代词: which / that1) 先行词在从句中作主语eg: The river which / that runs through the city brings us lots of pleasure.2)先行词在从句中作宾语eg: The book (which / that) you just laid on the shelf is mine.3)关系代词前有介词eg: Here is the money with which I will buy a piano.3. 表示所有格：whose (既表示人的所有也表示物的所有)1) 表示人的所有eg: The girl whose father is a model worker is our monitor.2) 表示物的所有eg: I’d like a room whose window looks out over the sea.弄清as和which引导的非限制性定语从句指代整体时的区别★位置上的区别：as引导的非限制性定语从句的位置比较灵活，可以放在主句前，也可以放在主句后，还可插在主句的中间；而which引导的非限制性定语从句只能放在主句之后。
中考英语专题讲练： 定语从句(含解析)
定语从句知识精讲定语从句一、定义在复合句中，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，通常位于定语从句之前。
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，既起到连接作用，又在定语从句中担任句子成份。
总结定语从句的一般结构为：先行词+关系词+定语从句。
一、关系代词1.关系代词指代先行词，在从句中作主语，宾语或表语，基本用法如下表：关系作用先行词例句who 主语/宾语人This is the boy who often helps me. 这就是帮我的那个男孩。
I happened to meet the professor (who/ whom) I got toknow at a party in the shopping centeryesterday.昨天在购物中心，我碰巧遇到了那位我在一次聚会上认识的教授。
whom 宾语人The man whom you are waiting for has gone home.你等那个人已经回家了。
1注意：一般情况下，that 既可以指人又可以指物，可以代替 who, whom 和 which，在句子中充当主语，宾语或表语；which 指物，在从句中也做主语，宾语或表语，所以 which 和t h a t在指物时，大多时候可以互换，如：This is the movie that I like best.=This is the movie which I like best.这就是我最喜欢的电影。
2.关系代词的省略一般情况下，关系代词作宾语时可以省略，但若关系代词在从句中作介词宾语，且介词在关系代词前，不能省略，如：I’ll never forget the day that we spent together.我永远都不会忘记与你共度的时光。
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初中英语定语从句讲解及练习一.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成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。
二.关系代词引导的定语从句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.4. that指人时，相当于who 或者whom;指物时，相当于which。
在宾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 eachyear rises onemillion.(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?三.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 careof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 who/that you talked with 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. 解答"介词+关系代词 "类型的定语从句题时，关键在于分析定语从句中的谓语动词(该动词是不及物动词)习惯上常与什么介词搭配使用。
这就需要同学们在平时学习时要注重某些不及物动词和介词惯用的情形，并要灵活运用。
例如:in the dark street, there wasn't a single person ________ she could turn for help.a. thatb. whoc. from whomd. to whom 简析:本题定语从句中的turn 与介词 to 构成固定短语"turn to sb. for help (向某人求助)"。
所以，d是正确选项。
四(关系副词引导的定语从句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 hewanted when he grew up.(3) great changes have taken place in the city in which/where i was born. 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,五(限制性定语从句和非限制性定语从句限制性定语从句举例:(1) the teacher told me that tom was the only person that i could depend on.(2) china is a country which has a long history.非限制性定语从句举例:(1) his mother, who loves him very much, is strict with him.(2) china, which was founded in 1949, is becoming more and more powerful. 要注意区分以下几个句子的不同(1) his brother who is now a doctor always encourages him to go to college.他那当医生的哥哥常鼓励他要考上大学。
(他还有其他的哥哥)(2) his brother, who is now a doctor, always encourages him to go to college.他的哥哥是当医生的，常鼓励他要考上大学。
(他只有一个哥哥)难点分析(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 dictionary that i want to buy,(2) after the fire in his house, the old car is the only thing thathe 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?。