高中英语语法定语从句总结全
高中英语 重点语法：定语从句的全面剖析
高中英语重点语法：定语从句的全面剖析定语从句是高中英语第一大语法内容，必须清晰掌握。
只要用心看，希望能帮你透彻掌握定语从句！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，所有格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。
例如：Any man that / who has a sense of duty won’t 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. 这幢房子很漂亮,是我们上个月买的.注意：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. whichwhich 用于指物，在句中作主语、宾语或表语，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座大楼是一家超市。
高中英语语法：定语从句精华知识点复习
定语从句在复合句中充当定语的从句叫定语从句。
定语从句的作用相当于形容词，用来修饰主句中的某一名词或代词或整个主句，所以，也称作形容词性从句。
被定语从句修饰的词叫先行词，定语从句一般紧跟在它所修饰的先行词之后。
在先行词和定语从句之间起连接作用的词叫关系词。
一、关系词有关系代词和关系副词两种（一）关系代词引导的定语从句引导定语从句的关系代词主要有who, whom, whose, which, that，as等。
它们分别代替前面的先行词，并在定语从句中作主语、宾语、表语或定语。
1．who指人，在定语从句中作主语。
What was the name of the man who lent you the money？借钱给你的那人叫什么名字？（定语从句修饰先行词the man）He who laughs last laughs best.谁笑到最后谁笑得最好。
（定语从句修饰先行词he）The chairman of the meeting, who spoke first, sat on my right.会议主席坐在我右边，他先发言。
（定语从句修饰先行词the chairman）2．whom指人，在定语从句中做宾语。
在口语或非正式文体中，whom可省略或可用who来代替，但在介词后面以及在非限制性定语从句中只能用whom。
There are some people (whom/who)we like and others (whom/who) we dislike.有些人我们是喜欢的，有些人则是我们讨厌的。
（定语从句分别修饰先行词people, others）The people whom I work with are all friendly.和我一起工作的人都很友好。
（定语从句修饰先行词the people,介词后）Mr Carter, whom I spoke to on the phone last night, is very interested in our plan.昨晚我在电话里和卡特先生交谈过，他对我们的计划很感兴趣。
定语从句英语总结
1.高中英语名词性从句和定语从句的语法总结（详细一点）2.定语从句谁能总结一下知识点定语从句：人物1.主语 who/that which/that2.宾语 who/whom/that/省略which/that/省略3.定语 whose the n.of which/whose4.表语 that that5.状语不能用which只能用that:1.先行词本身是不定代词all/everything/anything/nothing/much/few/little/none/the one2.先行词被一些词修饰（序数词，最高级）only/few/any/little/no/all/every/very3.先行词中既有物又有人4.who/which/that开头只能用which不能用that1.在非限定从句，先行词是物2.先行词本身是that3.当关系词前面有介词只能用who不能用that1.先行词是one/ones/anyone/those/I/you/he/they2.先行词是人，后面有较长的修饰词3.there be开头4.在非限定从句，先行词是人5.在介词前置时只能用whomone of n.（复数）+定语从句定语从句中谓语用复数the only one of n.（复数）+定语从句定语从句中谓语用第三人称单数区分定语从句和强调句：把it is…that去掉，若句子完整是强调句eg:it is the Suez Canal that separates Asia from Africa.It is/was +被强调部分+that+句子剩余部分若先行词是situation之类的抽象名词，用inwhich/where先行词是the way 做方式状语，用 in which/that/省略the same …as 表示同一类事物the same …that 表示同一件物品eg:this is the same bike as I lost.This is the same bike that I lost,so I take it home.He has four daughters,none of whom is a pianist as he is.He has four daughters.None of them is a pianist as he is.Hehas four daughters,and none of them is a pianist as he is.。
高中英语的定语从句归纳与总结
定语从句概念：定语从句，一个简单句跟在一个名词或代词后（先行词）进行修饰限定，就叫做定语从句。
在主句中充当定语成分。
被修饰的词叫先行词。
定语从句不同于单词作定语的情况，它通常只能放在被修饰的词（即先行词）之后。
定语从句由关系词（关系代词、关系副词）引导，关系代词、关系副词位于定语从句句首。
结构：先行词+关系词+从句关系词：关系词的类型：关系代词：who,whom,which,that,在从句中可作主语或宾语，whose,在从句中作定语关系副词：why,where,when,其中why=for which，where=in/at/on which，when=during/on/in which,在从句中做状语关系词的作用：1.连接作用，连接主句和定语从句2.指代前面的先行词3.在定语从句中担任成分关系词的选择:1.看先行词（被定语从句修饰的词）先行词是“物”可能用which，that，whose,where，when，why等,先行词是“人”可能用who，whom，that，whose等2.看关系词在定语从句中所担任的句子成分①先行词是人且关系词在从句中作主语，用who/that②先行词是人且关系词在从句中作宾语，用whom/that③先行词是物且关系词在定语从句中作主语，用that,which.④先行词是物且关系词在从句中作宾语，用that,which，也可以省略记住：关系代词作宾语或表语是可以省略的，作主语是不能省略的，因为主语后直接是动词，省略的话就出现先行词直接接从句动词的语法错误。
举例：Is there anything that you want to say? 中的that就可以省略。
而He is theheadmaster of this school who also teaches Chemistry. 中的who就不能省略。
⑤先行词是“人”或“物”，关系词在从句中作定语表所属关系，用whose引导定语从句.注意：表示所属关系不仅仅是人,这个就叫做所属关系，因此所属关系除了whose以外就有两个，对人是of whom,对物是of which.⑥先行词是时间、地点或理由的名词，则用关系副词引导定语从句。
高中英语语法定语从句总结
定语从句总结先行词为人时：关系代词从句中缺主语时，who；that；不能省略从句缺宾语，who; that ;whom，可省略；（介词后只能跟whom）从句缺定语指代’s ，whose先行词为物时：关系代词从句缺主语时，which；that；不能省略从句缺宾语时，which；that；可省略；（介词后只能跟which）从句缺定语指代’s，whose先行词为时间：从句缺时间状语时，关系副词when(也可prep+which)从句缺主语宾语时，which；that先行词为地点：从句缺地点状语时，关系副词where(也可prep+which)从句缺主语宾语时，which；that先行词为reason：从句缺缘由状语时，why / for which从句缺主语宾语时，which；that非限制性定语从句(带,的定语从句)1.As we know, smoking is harmful to one's health.2.It rained hard yesterday, which prevented me from going to the park．(which 指代前面这个事)3. He keeps a diary, which everybody knows.(which 指代know的宾语)(1)as 引导的定语从句可置于句首,which不行。
(2)as常带有“正如”的意思As we know , smoking is harmful to one's health. As is know n, smoking is harmful to one's health. It is known that smoking is harmful. (主语从句) (3)the same… as；such…as 中的as 是固定结构,I have got into the same trouble as he (has).特殊说明：1常考名词的定语从句：case，point，stage，situation；定语从句中主语宾语齐全用where；定语从句中缺主语宾语用which或that2 way做先行词，定语从句中的关系词用that; in which;不填3 用逗号隔开，起补充说明作用的非限制限制性定语从句，无论先行词是什么，都不用that4 众所周知：As is known(to all)，…It is known (to all)that5 正如As was reported, (It was reported that)As was announced,As was expected,As we planned,As can be seen,只能用that, 不能用which引导定语从句的状况a)不定代词，如：anything,nothing, everything, all, much, few, any, little等作先行词时Finally, the thief handed everythingthat he had stolen to the police.b) the only, the very, the just修饰先行词时He is the very man that helped thegirl out of the water.c)先行词为序数词(the first, the last)数词、形容词最高级时The first English book that heHad read was "Gone with the wind"d)先行词既有人，又有物时He talked about the teachers andschools that he visited.e)关系代词在从句中做表语He is not the man that he used to be.。
英语语法高中定语从句知识点归纳总结
英语语法高中定语从句知识点归纳总结定语从句是英语语法中的一个重要概念，它在句子中起到修饰名词或代词的作用。
在高中英语学习中，掌握定语从句的使用方法和规则对于提高语言表达能力和理解能力非常关键。
本文将对高中英语定语从句的知识点进行归纳总结。
一、定语从句的定义和作用定语从句是一个句子，它修饰一个名词或代词，用来给出更多的信息，进一步描述或限定该名词或代词的特定内容。
定语从句可以用来修饰人、事、物、地点等。
它在句子中的作用是为主句提供更多的信息，使句子更具体、更有表达力。
二、定语从句的引导词1.关系代词：定语从句中常用的关系代词有：- 人：who，whom，whose- 物：which，that，whose- 人或物：as，where，when2.关系副词：定语从句中常用的关系副词有：- 地点：where- 时间：when- 原因：why三、定语从句的基本结构定语从句的基本结构为：关系代词/副词 + 主句。
其中，关系代词或副词在定语从句中担任主语、宾语、表语或定语的作用。
四、定语从句的几个常见类型1.限制性定语从句：限制性定语从句用来对先行词进行进一步的限定，它的信息是先行词不可或缺的一部分。
限制性定语从句与主句之间没有逗号隔开，通常使用关系代词that，也可使用which或who。
例子:The book that you borrowed from me is very interesting.你从我这里借的那本书非常有趣。
2.非限制性定语从句：非限制性定语从句用来对先行词进行附加说明，它的信息只是对先行词的附加补充，可以省略而不影响句子的整体意思。
非限制性定语从句与主句之间用逗号隔开，通常使用关系代词which，也可使用who。
例子:The weather, which was sunny and warm, made our picnic very enjoyable.天气晴朗温暖，使得我们的野餐非常愉快。
高中英语定语从句全面详细讲解
定语从句一定义及相关术语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词之后.2．先行词：被定语从句修饰的词叫先行词。
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等The man who is shaking hands with my father is a policeman.注意:弄清楚关系词在定语从句中充当什么成分，是掌握定语从句、选择好关系词的关键.二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. 正在踢足球的男孩是一班的。
Yesterday I helped an old man who had lost his way。
昨天我帮助了一位迷路的老人。
That is the teacher who teaches us physics。
那就是教我们物理的老师。
2。
whom 指人，在定语从句中做宾语，常可省略，在口语或非正式文体中常可用who 来代替。
Li Ming is just the boy (whom) I want to see。
李明正是我想要见的男孩。
The professor （whom）you are waiting for has come。
你正在等的教授已经来了。
The girl （whom) the teacher often praises is our monitor。
老师经常表扬的那个女孩是我们的班长。
3.which 指物，在定语从句中做主语或宾语，做宾语时常可省略。
Football is a game which is liked by most boys。
足球是大多数男孩所喜欢的运动。
高中英语语法专题：定语从句
高中英语语法专题：定语从句一、关系代词引导的定语从句1、that 指人或物在从句中作主语，宾语或表语which 指物在从句中作主语，宾语或表语(作宾语时可以省略) who 指人在从句中作主语，宾语或表语whom 指人在从句中作宾语whose 指人或物在从句中作定语as 指人或物在从句中作主语，宾语或表语but 指人或物在从句中作主语，宾语或表语注意：指物时，whose+名词=the+名词+of which或of which+the+名词2、as 的用法(1)常用于下列结构：such…as; so…as;the same…as; as…as注意：the same…as 表示同一类，不同一个the same…that 表示同一个(2)as与which的区别a、位置不同as可放在主句后，主句前或主句中间;which只能放在主句后。
b、as起连接作用，表达说话人的观点、看法，并指出主句内容的根据或出处，意为“正如，正像”。
Which相当于并列句，可以用and this来代替，意为“这一点，这件事’”。
注意：as常用于下列结构：as we know/ as is known to all, as we all can see, as has been said before/above,as might be excepted, as is often the case, 一般不能用which代替as。
c、在从句中作主语时，which既可作系动词be的主语也可作实义动词的主语，而as只可作系动词be的主语。
3、but用作关系代词，相当于who/that…not例：In China there is no one but knows Lei Feng.二、只用that不用which的情况1、.先行词为all , much, everything, nothing , something ,anything, nothing, none, the one等不定代词时2、先行词被only, any, few, little, no , all, just , very ,right等修饰时.3、当先行词是最高级或被形容词最高级修饰时。
高中定语从句知识点
高中定语从句知识点在英语学习中，定语从句是一个非常重要的语法知识点。
掌握了定语从句的使用方法和注意事项，可以帮助我们更准确地表达和理解句子的含义。
下面将介绍一些高中常见的定语从句知识点。
一、定语从句的基本概念定语从句是用来修饰名词或代词的从句，它像一个形容词，对先行词进行修饰和说明。
定语从句一般由关系代词（如that, which, who, whom, whose等）或关系副词（如where, when, why等）引导。
二、定语从句的引导词1.关系代词a. that：常用于修饰人和物，在从句中作主语或宾语时均可使用。
例句：The book that you borrowed from the library is very interesting.b. which：常用于修饰事物，在从句中作主语或宾语时均可使用。
例句：I bought a new car, which is very expensive.c. who/whom：常用于修饰人，在从句中作主语或宾语时使用。
例句：The girl who is sitting next to me is my best friend.2.关系副词a. where：表示地点。
例句：This is the school where I used to study.b. when：表示时间。
例句：The day when I met you was the happiest day of my life.c. why：表示原因。
例句：I don't know the reason why he left without saying goodbye.三、定语从句的位置定语从句可以放在先行词之前或之后。
1. 先行词在定语从句之前时，用逗号将其与定语从句隔开。
例句：Jane, who is my best friend, is coming to visit me tomorrow.2. 先行词在定语从句之后时，不使用逗号。
干货高中英语语法归纳总结大全,高考必备
干货高中英语语法归纳总结大全，高考必备1.定语从句引导定语从句的关系代词有that,which,who（宾格whom），所有格whose）和关系副词where when why 等，关系代词或关系副词在定语从句中充当一个成分，关系代词that，which,who,whom等在从句中分别作主语或宾语，whose 在从句中作定语，而关系副词when,where,why等在从句中作状语。
如：①I will never forget the days when/in which we worked together.②I will never forget the days which/that we spent together.解析：在句①中，表示时间的名词the days在从句中充当的是状语，所以用关系副词when来代指，引导定语从句修饰先行词the days；而在句②中，表示时间的名词the days在从句中充当的是动词spent的宾语，所以用关系代词that或which来代指。
同样，表示地点或原因的名词如果在从句中作状语，则用关系副词where 或why 来代指；如果在从句中作动词的宾语，则用which或that来代替。
如：①This is the factory where/in which I worked.（作状语）②This is the factory that/which I visited years ago.（作宾语）注：当先行词为time,reason, place时，引导词可以省略。
①This was the first (when/what) I had serious trouble with my boss.②That is the reason (why) I did it.③This is the place (where) we met yesterday.另外，定语从句中谓语动词的数应与先行词的数相一致。
高中英语定语从句总结
高中英语定语从句总结高中英语定语从句总结定语从句是修饰名词或代词的从句，用来对被修饰词进行进一步的说明或限定。
在高中英语中，定语从句是一个非常重要的语法知识点，掌握定语从句的使用方法对于正确理解和使用英语具有重要的作用。
下面是关于高中英语定语从句的总结。
一、定语从句的引导词定语从句通常由关系代词和关系副词引导。
常用的关系代词有：that, which, who, whom, whose, as等；常用的关系副词有：when, where, why。
1. 关系代词：(a) that 用来修饰人或物，常可省略；用来引导非限制性定语从句时，前面要加逗号。
(b) which 用来修饰物，常可省略；用来引导非限制性定语从句时，前面要加逗号。
(c) who 用来修饰人，不可省略；用来引导非限制性定语从句时，前面要加逗号。
(d) whom 用来修饰人，作宾语时不可省略；用来引导非限制性定语从句时，前面要加逗号。
(e) whose 用来修饰人或物，不可省略；用来引导非限制性定语从句时，前面要加逗号。
(f) as 用来修饰人或物，引导非限制性定语从句时使用，相当于which。
2. 关系副词：(a) when 引导时间定语从句，相当于“at/in/on which”。
(b) where 引导地点定语从句，相当于“in/at/to which”。
(c) why 引导原因定语从句，相当于“for which”。
二、定语从句的种类定语从句分为限制性定语从句和非限制性定语从句。
1. 限制性定语从句是对被修饰词起限定作用的从句，如果去掉定语从句，主句的意思会不完整或不明确。
限制性定语从句使用关系代词that, which, who等引导。
关系代词在定语从句中可以作为主语、宾语、表语或定语。
例句：This is the book that I bought yesterday.这是我昨天买的书。
2. 非限制性定语从句则是对被修饰词进行进一步补充说明，如果去掉定语从句，主句的意思仍然是完整的。
高中英语知识点归纳定语从句的用法
高中英语知识点归纳定语从句的用法定语从句是英语中常见的一种从句。
它用来对主句中的名词或代词进行修饰和限定，使语言更加精确和具体。
本文将对高中英语中关于定语从句的用法进行归纳总结。
一、定语从句的概念定语从句是一个以关系词引导的从句，修饰或限定前面的名词或代词，起到进一步解释、补充信息的作用。
关系词包括：who、whom、which、whose、that等。
二、定语从句的引导词1. 关系代词who指代人，whom在从句中做宾语，which指代物，可以指代整个主句或从句中的一个成分，that既可以指人也可以指物。
2. 关系副词where表示地点，when表示时间，why表示原因。
三、定语从句的位置1. 当修饰主句中的主语时，定语从句位于被修饰名词之后。
例句：The boy who is playing football is my brother.（正在踢足球的那个男孩是我弟弟。
）2. 当修饰主句中的宾语时，定语从句位于被修饰名词之后。
例句：I bought a book which was written by J.K. Rowling.（我买了一本J.K.罗琳写的书。
）3. 当修饰主句中的宾语时，定语从句位于被修饰名词之前。
例句：I saw the girl whom I met yesterday.（我看到了昨天遇到的那个女孩。
）四、限制性定语从句与非限制性定语从句1. 限制性定语从句用来对名词进行修饰和限定，如果去掉不影响主句的完整性。
被从句修饰的名词不能省略。
例句：The book that I bought yesterday is very interesting.（昨天我买的那本书非常有趣。
）2. 非限制性定语从句用来对名词进行陈述和补充说明，去掉会影响句子的意思和完整性。
被从句修饰的名词可以省略。
例句：Tom, who is a doctor, works in a hospital.（汤姆是个医生，在一家医院工作。
高中英语语法定语从句小结
定语从句1.限制性定语从句①关系代词（who,whom,whose,which,that,as）A.从句中谓语动词的人称和数与先行词一致one of +动词复数-------He is one of the students who have been to Shanghaithe only one +动词单数-------He is the only one of the students who has been to Shanghai*not only one of=one ofB.who/whom介词放在句尾，二者都可用------This is the girl (who/whom) we have been looking for.C.whose=of whichThe classroom whose windows are broken is unoccupied.The classroom of which the windows are broken is unoccupied.D.介词+关系代词⑴v.+prep. He found a job for which he had been preparing⑵n.+prep.They are still living in the little house in which they’ve been living for 15 years⑶adj.+prep.The woker with whom the boss is not happy will be fired for her inefficiencyE.只用that⑴.先行词是最高级、序数词⑵.先行词是all,some/any/no/every+thing ,none或only,any,few,little,no,all,none of,the very+先行词⑶.先行词既有人又有物⑷.who/which…….that…..?⑸…… which…….that……②关系副词(when,where,why)A.when=on which先行词：occasionB.where=in which先行词：case,point,situation,condition,stageC.why=for which先行词：reason2.非限制性定语从句A．when=and then where=and thereB．a s/which(1)as在句前、句中、句后------which在句后(2)非限制性定语从句放在主句之后，用as定语从句是否定句或表示否定时，用which---He came here very late, which was unexpected (3)As anybody can seeAs we had expectedAs often happensAs has been said beforeAs is mentioned aboveAs I understandAs appears(4)As+被动语态------Which+主动语态。
高中英语语法基础 ——定语从句知识点总结归纳讲解(附同步练习)(有答案)
高中英语语法基础——定语从句知识点归纳讲解（附同步练习）★先行词：被定语从句修饰的名词或代词叫先行词。
通常情况下，引导词前面的名词即为从句的先行词。
★关系词：引导定语从句的词叫关系词。
也可以称作引导词。
①关系代词：who，whom，which，that，whose，as，在从句内作主语、宾语等名词性成分。
②关系副词：when，where，why在从句内作状语。
（一）. 使用who、whom、which、that的定语从句1. whoThis is the boy who plays basketball very well.This is the teacher who is teaching us English.▲who 指人, 在从句中作主语。
2. whomThis is the boy (whom) I often help.The man is our headmaster (whom) you met just now.I met the girl (whom) you often praise.▲whom 指人,在从句中作宾语, 可省略。
3. whichThis is the farm which keeps many cows.This is the farm (which ) I visit every year.▲which 指事物, 在从句中作主语或宾语,作宾语时可省略。
4. that以上三种情况均可用that。
指人或指物，可作主语和宾语，作宾语时可省略。
（二）. 使用whose的定语从句Do you know the girl whose father is mayor.I used to work in an office whose window faces north.I work in a school whose students are excellent.▲whose 指人或物的所属关系，表示“某人的”或“某物的”。
高中英语语法定语从句总结全
xx定语从句详解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(antecedent)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) 引导定语从句的词叫关系词，分为关系代词和关系副词。
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）常用的关系代词: that、which、who、whom、whose,当关系代词在定语从句中做宾语时，关系代词可以省略。
常用的关系副词（在从句中只作状语）: when（时间状语）、why（原因状语）、where（地点状语）可以修饰人的关系代词：that, who, whom, whose可以修饰事的关系代词：that, which, as, whose,The student who answered the question was John.I know the reason why he was so angry.The boy (whom) you are talking to is my brother.I'd like a room whose window faces the sea.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、表语或状语）；第三选择合适的关系词。
Ⅱ. 几个关系代词的基本用法：●that: 可指人或物；在定语从句中作主语，宾语，表语。
(指人时，相当于who或whom；指物时，相当于which)(一般不用于非限制性定语从句; 不可置于介词后作宾语) 如：1. A letter that/which is written in pencil is difficult to read. (主语)2. Do you know the gentleman that/who spoke just now?3. You can take anything ( that) you like. （宾语）4. What is the question (that/which) they are talking about?5. Here is the man ( who/whom/that ) you want to see.6. She's no longer the girl ( that) she used to be before.（表语）7. Our hometown is no longer the one (that) it used to be.（= Our hometown is not the same as it used to be.= Our hometown is different from what it used to be。
高中英语定语从句讲解与归纳
高中英语定语从句讲解与归纳高一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：种类先行词关联词例句说明定语从句（人）在从句中做主语或宾语物在从句中做主语或宾语whowhichThis is the doctor who saved the boy’s life .这就是救了孩子生命的医生。
高中英语：定语从句语法总结
高中英语：定语从句语法总结定语从句必备知识1．定语从句在复合句中，修饰名词、代词或整个句子的从句叫作定语从句。
定语从句可以分为限制性定语从句和非限制性定语从句。
The boy who is reading needs the pen which you bought yesterday.那个在阅读的男孩需要你昨天买的钢笔。
(定语从句作后置定语)2．先行词被定语从句所修饰的词或句子叫先行词，作先行词的可以是：(1)一个词(通常是名词，也可以是代词)This is the place which is worth visiting.这是值得参观的地方。
He laughs best who laughs last.谁笑到最后，谁笑得最好。
(2)一个短语Many life's problems which were solved by asking family members, friends or colleagues are beyond the capability of the extended family to resolve.许多以前可以通过询问家庭成员、朋友或者同事就能解决的生活问题，是现在的大家庭无力解决的。
(3)一个分句The Greeks assumed that the structure of language had some connection with the process of thought, which took root in Europe long before people have realized how diverse languages could be.希腊人认为，语言结构和思维过程之间存在着某种联系。
这一观点在人们尚未认识到语言的千差万别以前就早已在欧洲扎下了根。
(4)一个完整的句子I found an old man lying on the ground and I took him to hospital in a taxi immediately, which was why I was late that morning.我发现一个老人躺在马路上，我立即乘出租车把他送到了医院，这就是那天上午我迟到的原因。
高中英语语法：定语从句考点总结
高中英语语法：定语从句考点总结定语可以由形容词、名词、代词、分词、不定式以及介词短语等来担任，也可以由一个句子来充当，充当定语功能的句子称为定语从句。
定语从句“三要素”1.先行词：被定语从句所修饰的名词或代词①指人的先行词②指物的先行词★先行词还可以是前面整个句子所叙述的事情。
He has passed the driving test, which surprises all of us. (which替代前面所叙述的事情) 先行词2.关系词：引导定语的词(1)关系词的作用①替代前面的先行词（替代作用）②连接主句和定语从句（连接作用）③在定语从句中作句子成分（成分作用）(2)关系词的分类①标准：根据关系词在从句中做的句子成分种类②关系代词：在从句中做主，宾，表，定（that/which/who/whom/whose/as）③关系副词：在从句中作状语(When/where/why)3.定语从句：用来做定语，修饰限定先行词的句子定语从句的分类1.限制性定语从句：对先行词起限定修饰作用。
He is a teacher who works at our school.2.非限制性定语从句：对先行词起补充说明作用(先行词与定语从句之间有逗号隔开)Beijing, which is the capital of China, is a beautiful city with a long history.比较：He has two sons, who work in the same company. (He has only two sons.)He has two sons who work in the same company. (Perhaps he has two more sons)定语从句的10个难点1.关系代词的省略(限定性定语从句)(1)关系代词在定语从句中作宾语She is the girl (whom / that) I loved before. (可以省略whom/that)(2)关系代词在定语从句中作表语He is no longer the boy (that) he used to be. (可以省略that)(3)关系代词作介词宾语，介词在从句句尾时可以省略Housing price is a problem (that/which) people are interested in.比较：Housing price is a problem in which people are interested.（此时只能用which且不能省略）2.先行词是人(that/who的区别)(1)用that的情况①以疑问词who开头的句子中Who is the man that is shouting there?②关系代词在从句中作表语时She is not the girl that she used to be.③先行词被the very, the right, the only修饰This is the very person that we are looking for.(2)用who的情况①先行词是one, ones, anybody, all, none, those 等Those who want to go to the cinema will have to wait at the gate of the school.②句子中有两个定语从句,一个用了that,另外一个用whoWho is the boy that won the gold medal?③在there be 结构中There are many young men who are against him.④在非限定性定语从句当中Tom, who is my best friend, has gone abroad to study.3.先行词是物(that / which的区别)(1)用which的情况①在非限定性定语从句中She lost the game, which depressed her greatly.②关系词置于介词之后，作宾语The pen with which you write is Jack’s.③先行词是that或定语从句中套定语从句,一个关系词用that,另一个用which.Let me show you the novel that I borrowed from the library which is newly open to us.(2)用that的情况①先行词是不定代词如all, little, few, much,anything, everything, nothing, none, no one 等She did all that she could to help us.②先行词被all, every, no, some, little, much, the only, he very, the right，the last等所修饰时This is the very book that I want.③先行词中既有人又有物时She described in her compositions the people and he places that impressed her most.④先行词前有序数词或形容词最高级修饰时This is the best book that I have ever read.This is the first film that I’ve seen since I came here.⑤定语从句中套定语从句，其中一个关系词以用which, 另外一个用thatHe built a factory which produced things that had never been seen before.⑥当主句的主语是疑问词which,另一个用thatWho is the person that is standing at the gate?4.As引导定语从句用法(1)As 既可以引导限制性定语从句也可以用于非限定性定句中充当主语，宾语，表语等。
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高中英语定语从句详解Ⅰ、概念:(１) 定语从句:在主从复合句中用作定语得从句叫定语从句。
定语从句一般紧接在先行词（antｅcedｅｎt)后面。
(2) 先行词:被定语从句修饰得成份。
先行词可以为一个词,短语，或整个主句。
(3)引导定语从句得词叫关系词,分为关系代词与关系副词。
关系词得作用:1) 引导定语从句，连接主句与从句,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)常用得关系代词: ｔhat、wｈｉcｈ、wｈo、whom、wｈosｅ,当关系代词在定语从句中做宾语时，关系代词可以省略。
常用得关系副词(在从句中只作状语): when(时间状语）、why(原因状语)、wｈe ｒｅ（地点状语）可以修饰人得关系代词:thａt, ｗho，wｈｏｍ,whosｅ可以修饰事得关系代词:tｈat, whｉcｈ, as，whose,The studeｎt who answerｅd ｔhe ｑuestion was John、Ｉkｎow thｅｒeasoｎwhy he wａｓso angｒy、The bｏy （wｈom) ｙou are taｌkｉnｇｔo is myｂrotｈｅｒ、Ｉ'd likｅ a ｒoｏｍwhose window fａｃesｔｈe sea、定语从句三步：第一找出先行词;第二瞧先行词在定语从句中得语法功能（做主语、宾语、表语或状语);第三选择合适得关系词。
Ⅱ、几个关系代词得基本用法:●tｈat:可指人或物；在定语从句中作主语,宾语,表语。
(指人时,相当于whｏ或wｈｏｍ;指物时,相当于whiｃh)（一般不用于非限制性定语从句；不可置于介词后作宾语) 如:1、A lｅtteｒthaｔ／which is wrｉtｔen in peｎcｉl is diffiｃult ｔo ｒead、（主语)2、Do yｏu kｎｏw tｈe gentleman ｔhａｔ/ｗｈｏspoke just ｎｏw?3、Ｙou can takｅａnything ( ｔhat)you like、(宾语)4、Whaｔｉs thｅquestiｏｎ(ｔhat/whｉｃh) they aｒｅｔalｋing about?5、Hｅreｉs theｍan （wｈo／whom/ｔhat) yｏu want tｏsee、6、Ｓhe＇s no longeｒthe girl( that) sｈeｕsｅd to ｂe befｏre、（表语）7、Ｏuｒhometｏwn iｓno ｌonger ｔhｅoｎe (thａt)it usｅｄto ｂe、(=Ｏｕr homeｔｏｗn iｓｎot tｈe sａｍe as it uｓed tｏｂe、= Our hｏmｅtｏwn is diffeｒenｔfrom what iｔｕｓｅｄtｏｂe。
=Ouｒhometｏｗn ｉs notｗhａt it uｓed to ｂe、)●which：指物;在定语从句中作主语,宾语。
如：1、Thｅboｏk which/thａｔwas ｏn the ｄeｓkｗａsｂought bｙｍy fatｈer、(主语)2、Tｈｅboｏk(whiｃh/tｈaｔ) Ｉｂｏught yesteｒdaｙｉs veryinterestinｇ、(宾语)●wｈo, ｗhｏm，ｗｈoｓe:who: 主格,在从句中作主语,只可指人ｗhｏm: 宾格,在从句中只能作宾语; 只可指人ｗhosｅ: 表所属关系,在从句中作定语。
译为:某人得，某物得whｏse +名词＝ｔｈe +n、＋of which(某物得)ｔhｅ＋n、+ of whoｍ(某人得）I liｋｅｔhe studeｎtｓwho／thaｔwork ｈarｄ、（主语)Ｔhe boｙ(that/who ／whom ) we saw yeｓｔeｒｄaｙis Tｏｍ、I know thｅgiｒl wｈｏsｅfathｅr ｉs a teacher、(whoｓe faｔher＝tｈe father of ｗhom)Aｃhild whose parents ａre deａd iｓcａlｌed an ｏrphａn、(指人) (whｏse parents = the parents oｆwhom)Ｉ＇d like a room ｗｈｏse wｉｎdｏw faces south、(指物)(wｈosｅwindow=ｔｈｅwｉndow of ｗhｉｃh)关系代词作介词宾语(在定语从句中,介词提前时,介词后:表人用whｏm;表物用whiｃh)关系代词在定语从句中用作介词宾语时，介词可放于从句之首, 也可放于从句之末、但以放于句首较为正式、(介词前置,必须注意不影响动词词组得含义。
关系代词ｗho 与that 用作介词宾语时, 介词必须放在句末、)Ｔｈe man （whom ／ｗho/ that) my ｍotｈer is talkｉng with ｉｓMr Black、=The ｍaｎwithｗｈｏm my moｔherｉs talkingｉs ＭｒBlaｃk、Ｔhiｓｉs theｂｏｏk foｒwhiｃh you ａｓked、=Ｔhiｓｉs thｅbook(tｈａｔ／ｗhich) yｏｕａskeｄfｏｒ、Ｄo ｙｏu know the ｐeｒsｏｎｗｉth wｈom Ｉshoｏk hands?= Dｏyｏu ｋnow tｈｅｐerson (whom/who／that) Iｓhoｏｋｈaｎｄｓwｉth？The library from whｉｃh we cａn boｒrｏw booｋs ｉs very ｂiｇ、Thiｓiｓthe booｋabout wｈich I tｏｌd yoｕjust now、●as得用法:(as 引导定语从句, 在定语从句中作主语、宾语、表语）①如为限制性得,多用于tｈe same …aｓ;the same as（与……相同);such …a ｓ…(如此，这样); asｍany/muｃｈａｓ（与……一样多);so/aｓ…as （与……一样)等结构中。
如：※I ｈａve tｈe same bｏok as you (hａvｅ)、我有一本与您得一样得书。
Her aｔtitudｅto him waｓqｕite the sａmｅaｓit hａｄａｌｗays beeｎ、(关系代词ａs与指示代词sａｍe连用,在从句中用作表语, 先行词就就是sａｍe、)、---Why didn't you meｎtion thaｔiｎfacｅoｆthe polｉce jｕsｔｎｏw?---Ｉthought it waｓsuch a mｉnｏr detaｉl as waｓhardｌy woｒth mentioｎing、Ｗeｗｉll oｎｌy discuss ｓｕch problems aｓhａｖe somｅtｈinｇtｏdo with our own intereｓｔｓ、Ｄｏn'ｔdo sｕch thｉngs as you are ｎｏt surｅabｏut、There is no ｓｕch ｐｌace aｓｙou dream of iｎａll ｔhis worlｄ、比较：Iｌive in the sａme hoｕse tｈａt he usｅｄtｏlive in、I＇m wｅariｎｇtｈｅｓame sｈirt aｓyou wore yｅstｅrdaｙ、比较:Herｅiｓso bｉｇ a stｏｎe aｓｎo one caｎｌiｆｔ、(定语从句）Here is so ｂig a ｓｔｏｎe thａｔno one ｃａn lｉft it、(结果状语从句)②如为非限制性得，ａs还可以单独引导一个定语从句,代替整个主句,这种定语从句可置于句首,句中或句尾,译为"正如,这一点"。
(动词常为know，see, ｅxpect，pointｏut,eｔc、)Ａs wｅａll knｏw，ｓmokｉｎｇｉs harmｆｕl tｏｏne＇sｈｅａlth、(aｓ作宾语)=As is knoｗｎto alｌ,sｍｏkｉｎｇis hａｒmfｕl to one'sｈｅalth 、（as 作主语）众所周知：As we all kｎow，Iｔ’ｓwelｌ-ｋnow (ｔo us aｌl）tｈat…＝It＇ｓｋnown tｏaｌl thａt smｏkｉng iｓharmfｕl to one＇ｓｈｅａlｔh 、＝Smokiｎｇis harmful ｔo one's ｈeaｌth , as we aｌl know 、（as 作宾语)=Ｓmｏkiｎｇ, as wｅalｌｋnoｗ，is harmfｕl to one＇hｅaｌth、He wａｓa ｆoreigner,ａsＩｋｎew fｒｏm hiｓａcceｎt、(宾语, 先行词就就是前面整个句子)Ⅲ、关系副词(wｈen, wherｅ, why)引导得定语从句,它们后面得句子完整,只缺状语,它们都可以等于介词+ ｗhicｈ，其中wｈｙ只等于for which、●Whｅn指时间，在定语从句中作时间状语。
其先行词就就是表时间得名词(如:ｔimｅ, ｄａy, week, teaｒ, moｎth, etｃ、）Hｅｃame lasｔｎｉght whｅn I ｗaｓｏut、Ｗe ｗill ｐuｔoｆf the picnic until nexｔwｅeｋ, ｗheｎthe wｅatherｗoｕld bｅbｅｔteｒ、注意：先行词为"时间名词",可用whｅn引导定语从句,wｈen在定语从句中作状语；还可以用wｈｉcｈ或tｈａt引导,ｗｈicｈ或that在从句中作主语或宾语。
比较:I ｓtｉｌl remembｅr the day whｅn/on ｗhiｃh my bｒother joinｅd the arｍy、（作状语)Ｉｓtill rｅｍembｅr theｄays wｈich／that we spent tｏgetheｒ、（作谓语spent得宾语)Nｅxt wｉnter whｉch/thaｔｙｏｕ'll sｐend ｉn Harｂin, wiｌl be eｘciting、(宾语）I sｈall never ｆorgeｔthe daｙwhｅn ShｅnＺｈｏu Ⅴ was lａun ｃhed、Theｒe arｅoｃcasiｏns when joking is not pｅrmｉｓｓiblｅ、●Whｅre 指地点，在定语从句中作地点状语。
其先行词就就是表示地点得名词,如:plaｃe, scｈool，factｏｒy，rooｍ,etc、Thiｓｉs ｔhe pｌaｃe wheｒe I was born、I liｖｅin ｔhe rｏoｍｗhere ／ｉｎwhicｈhｅusedｔo ｌiｖe、注意:先行词就就是"地点名词＂,定语从句可用where引导,还可用whiｃh或that 引导，wｈｉcｈ/that 在从句中作主语或宾语。