初三英语定语从句知识精讲(一)
定语从句知识点讲解人教版九年级英语全册
定语从句知识点讲解一、含义：在复合句中，修饰某一名词或代词的，当定语的从句叫定语从句。
二、分类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， 如: I was a top boy that everyone likes me.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，若省去，意思仍完整。
如:Michael Jackson, who is the greatest singer in the world, passed away in 2010.三、先行词与关系词1、被定语从句修饰的名词或代词叫先行词。
引导定语从句的词叫关系词。
例如：I like the house which we live in. 定语从句先行词 关系词关系代词 2、关系词四、关系代词用法1、who 和whom 用法 who 和whom 都指人，who 在从句中可作主语或宾语，whom 在从句中作宾语，有时可用who 代替whom 。
但是在从句中作介词的宾语，且介词置于whom 之前时，不能用who 代替。
例如：The couple who called yesterday want to buy the carThe tourists who/whom I met in the park were very kind.2. which 用法which 用于指物，在句中作主语或宾语例如：The building which stands near the train station is a supermarket.3. that 用法that 既可以指人，也可以指物。
在从句中作主语或宾语。
例如：Mary likes music that/which is quiet and gentle.I know the people that/who live over the road.★ 注意：指物时关系词只能用that 的情况：1) 先行词被序数词或形容词最高级所修饰例如：He was the first person that passed the exam.关系代词 指人：who 作主或宾语, whom 在句中作宾语 指物：which 作主语，宾语 指人或物：that 作主语、宾语、表语，whose 作定语 关系副词 指时间：when 作时间状语 指地点：where 作地点状语 指原因：why 作原因状语2) 被修饰的先行词为all, any, much, many, everything, anything, none, the one等不定代词时。
九年级初三英语定语从句完整归纳讲解及练习
一、定语从句的概念定语从句的用法和精练在复合句中,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作用宾语先行词主语及物动词宾语或没被提前的介词宾语被提前的的介定语词宾语指人Who/that, as Who/whom/that,as 介词+whom Whose/ofwhom指物Which/that, as That/which, as 介词+which Whose/of which1. 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. The coat (that) I put on the desk is blue我.丽喜欢轻柔的音乐。
(that 作主语)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 supermarke位t.家超市。
(作主语)于火车站附近的那座大楼是一The film (which) we saw last night was wonderful.我们昨天晚上看的那部电影很好看。
中考英语定语从句用法归纳总结
中考英语定语从句用法归纳总结定语从句是英语中重要的从句类型之一，它用来修饰并限定名词或代词的含义。
在中考英语考试中，定语从句经常出现，并占有相当的比重。
因此，掌握定语从句的用法是中考英语考试的关键之一。
下面是定语从句的用法归纳总结。
一、定语从句的基本结构定语从句由关系词引导，关系词可以是关系代词（who,whom,whose,which,that）或者关系副词（when,where,why）。
关系词在定语从句中充当成分的作用，并且与先行词在意义上保持一致。
1. 关系代词引导的定语从句结构：- 主格关系代词：who/that/which- 宾格关系代词：whom/that/which- 物主代词：whose例句：- The girl who is dancing on the stage is my sister.- The book that I borrowed from the library is very interesting.- Jack, whom I met at the party, is a famous actor.2. 关系副词引导的定语从句结构：- 地点关系副词：where- 时间关系副词：when- 原因关系副词：why例句：- This is the school where I study.- Do you remember the day when we went to the zoo?- I don't know the reason why he didn't come to the meeting.二、定语从句的用法定语从句可以修饰人或物，并且起限定和说明的作用。
在中考英语考试中，常见的用法有以下几种：1. 修饰人的定语从句- 关系代词who/whom/whose用于修饰人，并在定语从句中充当主语、宾语或定语的作用。
例句：- The boy who is wearing a red hat is my best friend.- Mary, whom I met in the park, is a talented pianist.- The teacher whose daughter is in my class is very strict.2. 修饰物的定语从句- 关系代词that/which用于修饰物，并在定语从句中充当主语或定语的作用。
九年级定语从句知识点总结
九年级定语从句知识点总结定语从句是英语语法中的一个重要部分，对于九年级的学生来说，掌握定语从句的用法是非常关键的。
本文将对九年级定语从句的知识点进行总结，帮助同学们更好地理解和运用定语从句。
一、定语从句的定义和作用定语从句是修饰一个名词或代词的从句，用来添加更多的信息，使句子的意思更加明确和具体。
定语从句可以用来修饰人或事物，起到限定和描述的作用。
二、定语从句的引导词定语从句的引导词有关系代词和关系副词两种类型。
关系代词有：who、whom、whose、which、that；关系副词有：when、where、why。
1. who和whom用于修饰人，who作主语，whom作宾语。
例：The girl who is wearing a red dress is my sister.这个穿红裙子的女孩是我妹妹。
2. whose表示所有关系，修饰人或物，用来表示所属关系。
例：The man whose car was stolen reported to the police.车被盗的那个男人向警察报案了。
3. which用于修饰事物，既可以作主语也可以作宾语。
例：The book which I borrowed from the library is very interesting.我从图书馆借来的那本书非常有趣。
4. that通常可以替代who、which和whom，既可以修饰人也可以修饰物。
例：The boy that is playing basketball is my friend.正在打篮球的男孩是我的朋友。
5. when用于修饰时间，并且在从句中作状语。
例：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。
6. where用于修饰地点，也在从句中作状语。
例：This is the school where I study.这是我就读的学校。
初三定语从句讲解ppt课件
This is the film star who / that is very popular in China. (作主语)
which / who/ whom/ that 作宾语 ： （可省略） This is the card.
T_h_e_m__a_n _w___h__o_li_v_e_s_n_e_x_t _to__u_s_is a
先行词 关系词 定语从句
policeman.
注意事项: 1.从句的位置: 先行词 之后 2.翻译方法: “….的”
结构： 先行词 + 关系词 + 句子
先行词和关系词的关系 Join the following sentences:
祈使句+and/then 祈使句+or 可与条件状语从句转换
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宾语从句是 ___陈__述______ 语序。
语
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时态 2. 主过从过
I was born there. I want to know the place where (= in which) I was born.
why 作原因状语, 其先行词常常是the reason. That is the reason why I’m late. I know the reason why he said it.
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3. 事实真理
初三英语定语从句知识点
初三英语定语从句知识点一、定语从句的概念及基本用法定语从句是修饰一个名词或代词的从句，起到对这个名词或代词进行限定或说明的作用。
定语从句通常由关系代词或关系副词引导，对其前面的名词或代词进行修饰。
1. 关系代词引导的定语从句关系代词有who, whom, whose, which和that，它们在定语从句中用来代替句子的主语、宾语、所有格或宾语。
例如：The girl who is talking to Tom is my sister.正在和汤姆说话的那个女孩是我姐姐。
2. 关系副词引导的定语从句关系副词有where, when和why，它们在定语从句中用来代替地点、时间和原因。
例如：I still remember the day when we first met.我仍然记得我们第一次见面的那天。
二、定语从句的位置和引导词选择1. 定语从句通常紧跟在被修饰的名词或代词之后，修饰它。
例如：The book that I borrowed from the library is very interesting.我从图书馆借来的那本书很有趣。
2. 引导定语从句的关系词选择要根据被修饰的名词或代词在定语从句中的成分来确定。
a. 如果在定语从句中充当主语，则用关系代词who或which。
b. 如果在定语从句中充当宾语，则用关系代词whom或which。
c. 如果在定语从句中充当宾语，并且前面有介词，则用关系代词whom或which，介词与关系代词一起构成介词短语。
d. 如果在定语从句中充当定语，则用关系代词whose或which。
e. 如果在定语从句中充当状语，则用关系副词where、when或why。
例如：The man who/whom I met yesterday is a teacher.昨天我遇见的那个人是一位教师。
The book which/that is on the table is mine.在桌子上的那本书是我的。
初三英语定语从句知识点总结
初三英语定语从句知识点总结定语从句是在句子中作定语的从句，它位于名词或代词之后，修饰整个主句中的名词或代词。
定语从句在英语学习中是一个非常重要的语法知识点，在中考中占有重要的地位。
初三英语的学习中，定语从句更是重中之重。
本文将针对初三英语定语从句的知识点进行总结。
一、关系词的用法1. that：先行词是单数名词，不可修饰多个定语时用that。
2. which：先行词是复数名词，不可修饰多个定语时用which。
3. who：先行词是人时使用，同时可以作为句子主语或宾语。
4. whom：先行词是人，且在定语从句中作宾语时使用。
5. whose：先行词是名词所有格或名词时使用。
6. as：指“正如……”，“就像……”，引导定语从句时用逗号隔开，为并列句的一种。
二、关系代词的省略关系代词紧跟在动词后面充当宾语的时候可以省略。
例如：The girl (who/that) I saw yesterday is from England. 昨天我看见的那个女孩是英国人。
三、限制性定语从句和非限制性定语从句限制性定语从句对被修饰词起限定作用，如：The teacher (who/that) I spoke to is a college student. 我与一个大学生交谈过。
非限制性定语从句对被修饰词起补充说明作用，如：He is thefirst person (who/that) has been elected headmaster of the school. 他是第一个被选为校长的人。
四、定语从句中的时态和主句的时态1. 如果定语从句所描述的是已经发生的动作或状态，那么可以使用现在完成时态，而不需要考虑主句的时态。
例如：I have a book which I bought yesterday. 我有一本书是我昨天买的。
2. 如果定语从句所描述的是正在进行的动作或状态，那么可以使用现在进行时态来表示。
中考定语从句知识点详细!
在英语中，主要有三大从句，即名词性从句（包括主语从句，宾语从句，表语从句，同位语从句）、形容词性从句（即定语从句）、副词性从句（即状语从句,包括时间、条件、结果、目的、原因、让步、地点、方式等）。
【定语从句】一、定语从句概念定语从句（attributive clause），顾名思义，就是一个句子作定语从属于主句。
定语一般是由形容词充当，所以定语从句又称作形容词从句。
另外，定语从句是由关系代词或关系副词引导的，故又称作关系从句。
定语从句一般放在它所修饰的名词或代词之后，这种名词或代词被称作先行词。
请看示例：The woman who lives next door is a teacher.先行词定语从句在所有的从句中，算定语从句最难掌握，因为汉语里没有定语从句，汉语里只有定语，而且总是放在名词之前来修饰名词。
二、关系代词引导的定语从句关系代词代替前面的先行词，并且在定语从句中充当句子成分，可以作主语、宾语、定语等。
常见的关系代词有：who, that, which。
它们的主格、宾格和所有格如下表所示：格先行词主格宾格所有格人who whom whose物which which whose of which人、物that that —（一）关系代词who, whom和 whose的用法who代替人，是主格，在定语从句中作主语。
例如：An architect is a person who designs buildings. 建筑师是设计房屋的人。
I will never forget the teacher who taught us chemistry in the first year o f my senior middle school. 我将永远不会忘记在高一时教我们化学的那位老师。
Anyone who wants to apply for this job must send us the resume by em ail first. 想应聘这个职位的任何人都必须先通过电子邮件向我们发送简历。
九年级英语定语从句讲解
九年级英语定语从句讲解一、在复合句中修饰名词和代词的从句叫做定语从句.二、被定语从句修饰的名词或代词叫做先行词.三、.在定语从句中代替先行词的词叫关系代词。
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.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;关系副词=介词+关系代词why=for whichwhere=in/at/on/...which(介词同先行词搭配)when=during/on/in/...which(介词同先行词搭配)1.where是关系副词，用来表示地点的定语从句。
2.when引导定语从句表示时间四、限定性定语从句和非限定性定语从句的区别：限定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失去意义。
这种从句和主句的关系十分密切，写时不用逗号分开。
非限定性定语从句和主句的关系不十分密切，只是对先行词作些附加的说明，如果去掉，主句的意思依然清楚。
这种从句和主句之间往往用逗号分开，一般不用that引导。
五、.下面详细讲解各个关系代词的用法：1）由who引导的定语从句,who在从句中做主语(口语中也可做宾语),代替表示人的先行词.例如:This is the man who helped me.Do you know the man who spoke just now?The boy who/whom we saw yesterday is John’s brother.2）whom引导的定语从句,whom在从句中作宾语,代替表示人的先行词(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,也不能用that.)The babies whom the nurses are looking for are very healthy.(固定短语中的介词一般不省略,介词仍放在动词之后)3）.whose引导的定语从句,whose在从句中作定语,代替人或物的先行词.Do you know the woman whose name is Mary.Pass me the dictionary whose cover is black.4）.that引导的定语从句,代替表示人或物的先行词,that在从句中做主语或宾语,作宾语时可省略,不能放在介词后面作宾语.1.The letter(that//which)I received was from my father.2.I can’t find the letter that//which came this morning.3.Do you still remember the days(that//which)we spent together?4.This is the man that//who helped me.5.The house(that//which)we live in is not large.=The house in which we live is not large.6.The doctor(that//whom//who)you are looking for is in the room. 5）.which引导的定语从句,which代替表示物的先行词，在从句中做主语,也可做宾语,或介词的宾语,先行词可以是词、短语、句子。
定语从句知识点九年级
定语从句知识点九年级定语从句是英语语法中的重要知识点之一。
它是由关系代词或关系副词引导的修饰性从句，用来修饰某个名词或代词。
一、关系代词的用法关系代词有那/which、谁/who、人/whom、之/whose、哪个/what等。
它们在句子中做主语、宾语或定语，引导定语从句，并在从句中充当名词的角色。
1. That/which关系代词that通常用于指物体，which用于指物体或整个句子作定语。
例如：- This is the book that I borrowed from the library.- The boys are playing football, which makes a lot of noise.2. Who/whom关系代词who用于指人作主语或宾语，常用于非形式的口语和书面语中；whom用于指人作宾语，常用于正式的书面语中。
例如：- The girl who is standing over there is my sister.- The person whom you met yesterday is our new teacher.3. Whose关系代词whose用于指人或物，表示所属关系，相当于“某人/某物的”。
例如：- This is the house whose walls are painted green.- The boy whose father is a doctor is very intelligent.4. What关系代词what用于指物，相当于“那个/什么”。
例如：- Please give me what you have in your hands.二、关系副词的用法关系副词有when、where、why等。
它们引导定语从句，修饰某个名词或代词，并在从句中充当副词的角色。
1. When关系副词when用于指时间，在定语从句中作时间状语。
九年级英语定语从句知识点
九年级英语定语从句知识点定语从句是英语语法中的一个重要部分，它在句子中起到修饰名词或代词的作用。
理解和正确使用定语从句对于学习英语的九年级学生来说是非常关键的。
本文将重点介绍九年级英语定语从句的知识点。
一、什么是定语从句定语从句是由关系代词或关系副词引导的一个修饰性从句，它能够修饰一个名词或代词。
定语从句通常紧跟在被修饰的名词或代词之后，并对其进行进一步的说明和限定。
例如：The boy who is standing over there is my brother.那个站在那边的男孩是我的兄弟。
二、关系代词引导的定语从句关系代词引导的定语从句在句子中充当名词的一部分，并引导出一个修饰性的从句。
常见的关系代词有：who, whom, whose, which, that等。
1. who/whomwho用在修饰人的名词前，充当主语；whom用在修饰人的名词前，充当宾语。
例如：The girl who is sitting behind me is my best friend.坐在我后面的那个女孩是我最好的朋友。
The man whom you met yesterday is a famous actor.你昨天遇到的那个男人是一位著名的演员。
2. whosewhose用来修饰名词，表示所属关系。
例如：The book whose cover is red is mine.封面是红色的那本书是我的。
3. which/thatwhich用来修饰事物的名词，that也可以用来修饰人或事物的名词。
例如：I bought a new laptop which is very expensive.我买了一台非常贵的新笔记本电脑。
This is the pen that I lost yesterday.这是我昨天丢失的那支钢笔。
三、关系副词引导的定语从句关系副词引导的定语从句通常修饰整个句子，它们充当介词宾语或副词的成分。
九年级上册定语从句知识点
九年级上册定语从句知识点九年级上册语法部分重点内容之一是定语从句。
定语从句是英语语法中的重要部分，用于修饰名词或代词，使句子更加精确和丰富。
掌握定语从句的用法和特点对于学习和理解英语句子是至关重要的。
本文将重点介绍九年级上册定语从句的知识点以及相关例句。
一、定语从句的定义及用法定语从句是用来修饰名词或代词的从句，它通常紧跟在被修饰的名词或代词之后。
定语从句通常包含一个关系代词或关系副词，并起到进一步说明被修饰名词或代词的作用。
例句：1. The house that stands on the hill is very beautiful.2. The woman whose daughter is my classmate is a teacher.二、关系代词的用法关系代词在定语从句中起到连接作用，引导从句与主句之间的关系。
在九年级上册中，常见的关系代词有that, which, who, whom和whose。
1. that：用于修饰人或物，可指代整个句子中所涉及到的人或物。
例句：The book that is on the table is mine.The boy that broke the window will be punished.2. which：用于修饰物，特别是事物或动物。
例句：The car which is parked outside is new.The dog which I saw in the park is very cute.3. who/whom：用于修饰人。
例句：The girl who is playing the piano is my sister.I met a man whom I had never seen before.4. whose：用于修饰人或物，表示所属关系。
例句：The student whose bag was stolen reported it to the teacher.The house whose roof is damaged needs repair.三、关系副词的用法关系副词在定语从句中起到连接作用，引导从句与主句之间的关系。
九年级定语从句知识点归纳
九年级定语从句知识点归纳定语从句是英语语法中的一个重要部分，也是九年级学生需要掌握的知识点之一。
定语从句用来修饰某个名词或代词，起到进一步描述、限定或补充信息的作用。
在本文中，我将归纳整理九年级定语从句的相关知识点，帮助大家更好地理解和运用。
一、定语从句的基本结构定语从句由引导词（关系代词或关系副词）和从句两部分组成。
关系代词有：who, whom, whose, which, that等；关系副词有：where, when, why等。
从句在句子中作为修饰成分出现，通常紧跟在被修饰的名词或代词之后。
例如：The boy who is reading a book is my brother.（引导词：who，从句修饰boy）That is the school where I study.（引导词：where，从句修饰school）二、定语从句的引导词的选择1. 人的关系- 主格：who（指代主语），that（作宾语时，也可指代主语）- 宾格：whom（指代宾语）2. 物的关系- 指人或物：which（作主语或宾语）- 指物：that（作主语或宾语），也可指人3. 所有格- 物主代词：whose（指代人或物）4. 地点- where（指代地点）5. 时间- when（指代时间）6. 原因- why（指代原因）三、定语从句的位置定语从句可以放在被修饰的名词或代词之后，也可以将定语从句放在句子的开头或结尾。
需要注意的是，在非限定性定语从句中，逗号常常用于隔开定语从句和主句。
1. 放在名词或代词之后的定语从句：The girl who is singing is my sister.2. 放在句子开头的定语从句：Who is the person that can solve this problem?3. 放在句子结尾的定语从句：I bought a new car, which is very expensive.四、定语从句的省略当定语从句中的主语和主句的主语相同时，可以将引导词和 be 动词省略。
人教版英语九年级全册定语从句课件 (共21张PPT).ppt
形容词作定语
形容词性物主代词 作定语
介词短语作定语
01 什么是定语
定语：对名词或代词起修饰限定作用的词或短语
形容词作定语
形容词性物主代词 作定语
介词短语作定语
前置 定语
后置 定语
o2
什么是定语从句
02 什么是定语从句
This is a dog which likes eating meat.
这是一只喜欢吃肉的狗。
2. 先行词被序数词或形容词最高级修饰时。
place that they visited in London was Big Ben.
3. 先行词被all,every,no, the only, the very, the last等修饰时。
I've read all the books that are not mine. 我已经读了所有那些不属于我的书。
exploration (勘探)
A. where
B. which C.who
3.-What can we do for the left-home children B need help?
- We could help them with their study online on weekends.
定语从句
ATTRIBUTIVE CLAUSE
01.什么是定语
目录 02.什么是定语从句
Contents 03.定语从句的分类 04.限制性定语从句 05.练习
o1
什么是定语
01 什么是定语 句子就像是一棵大树，主语、谓语、宾语（表语）是主干，定语、 状语、补语是修饰语。
一个漂亮的女孩 一个聪明的男孩 红色的苹果
中考定语从句讲解(图文结合简单易懂)
中考定语从句讲解定语从句请看下面的句子：（一）概念:定语从句：在复合句中修饰名词或代词的句子，叫定语从句。
先行词：被定语从句修饰的词叫先行词。
关系词：引导定语从句的词叫关系词。
（二）定语从句的分类Ⅰ、限定性定语从句：从句不可少，没有它，先行词的意思不明确，主句也不完整。
与先行词之间不用逗号。
e.g:This is the book that/which I want.Ⅱ、非限定性定语从句：是对先行词的补充说明，没有它不会影响先行词或主句意思的完整性。
从句一般用逗号同主句分开。
e.g:Mr. Green，who is watching TV，is my uncle.（三）(限定性)定语从句的结构Mary is a girl who has long hair.先行词关系词定语从句关系代词关系副词which, who, whom,whose, that where, when, why（四）定语从句的实质：二句合一（合并条件：人物先行在句一，又占句二一席地）Mary is a girl.合并为一个句子She has long hair.定语从句四部曲：1、写：两句（主干+定语从句）2、找：相同部分——先行词3、换：关系词（人or物）4、连：主句+从句Mary is a girl。
Mary has long hair.——Mary is a girl who/that has long hair.请把下列句子二句合一1. I like the book.The book is on the desk.2.This is the man . The man helped me .3.The doctor is in the that room. I am looking for the doctor.（五）定语从句关系词的确定:(先行词决定关系词)● a.先行词的分类● b.先行词在从句中充当的成分1.先行词做主语人：who/that物：which/that2.先行词做宾语人：who/whom/that物：which/that3.先行词做定语人：whose物：whose/of which4.先行词做状语：w h e n,w h e r e,w h y●who /that作定语从句的主语或宾语.The man who/that is speaking at the meeting is a worker.做题思路：先分解——分析——再合并The man is a worker.The man is speaking at the meeting.●Whom /that作定语从句的宾语The woman（whom/that) they wanted to visit is a teacher.分解The woman is a teacher.They wanted to visit the woman.注意: 关系代词作动词宾语时可省略.解题时，首先要结合选项对题干进行整体感知，确定定语从句的位置;根据定语从句中所缺少的句子成分，分析先行词逻辑上在定语从句中的成分，继而选出正确的选项。
初三定语从句讲解
初三定语从句讲解第一篇：初三定语从句讲解初三定语从句讲解三、定语从句复习概要1．在复合句(包括主句和从句)中，修饰主句中某一名词或代词的从句叫定语从句。
定语从句必须放在被修饰的词之后，被定语从句修饰的名词或代词叫做先行词。
如：The man who lives next to us sells vegetables．住在我们隔壁的那个人是卖蔬菜的。
You must do everything that I do．你必须做我所做的一切。
2．由that，which，who(whom)等关系代词引导的定语从句，关系代词可在从句中做主语、宾语或表语。
通常which指事物，who 指人(作宾语时用whom)，that既可指人也可指物。
但在使用时有所区别： A.定语从句须用that引导的情况：(1)先行词是all，much，little，none, no, any, some等不定代词或由no-，any-，every-构成的复合不定代词。
如：All that is worth doing should be done well．一切值得做的事都应该做好。
There is little money that I can spend on books．我几乎无钱买书。
Everything we saw in the museum great interested us.我们在博物馆里看到的每一件事情都使我们很感兴趣。
(2)先行词被the only，the very，the same, the last等词修饰时。
如： The only thing that she could do was to go to the police for help.她唯一能做的事就是去求助于警察。
This is the last time that I shall give you a lesson.这是我最后一次给你们上课。
(3)先行词是序数词或被序数词修饰时。
初三定语从句精讲
定语从句在复合句中，修饰名词或代词的从句叫做定语从句，也成为形容词性从句，翻译时经常为“……的”。
所修饰的名词或代词称为先行词。
如：The man who lives next to us sells vegetables.You must do everything that I do.定语从句由关系代词(that、which、who、whom、whose、as)和关系副词(when, where, why)来引导，定语从句的关系词有三个作用：1. 连接主从句：2. 指代先行词：3. 在从句中充当一定成分。
A plane is a machine that/which can fly.The fish (that/which) we bought this morning were not fresh.（先行词fish在从句中做bought的宾语）The foreigner who/that visited our class yesterday is from Canada.（先行词foreigner在从句中做visited的主语）The man (who/whom/that) you saw in the park is my brother.（先行词man在从句中做saw的宾语）He has written a book whose name I’ve forgotten=He has wr itten a book the name of which I’ve forgotten.注：先行词若在从句中充当宾语，则关系词可省略。
三、定语从句中连词的选用必须要看先行词在从句中做什么成分，例如：I’ll never forgot the days (that/which) I spent in the village. （作spent的宾语）I’ll never forgot the days when I lived in the village. （作lived的状语）This is the factory (that/which) we visited last summer. （作visited的宾语）This is the factory where we worked last summer. （作worked的状语）Do you think the reason (that/which) he gave us is believable? （作gave的宾语）The reason why he didn’t come was that he was ill. （作come的状语）四、只能用that的情况1．.当先行词为anything、everything、nothing等不定代词时，关系代词用that,不用which；Everything we have seen in China is moving. 我们在中国看见的东西件件感人。
九年级定语从句知识点笔记
九年级定语从句知识点笔记定语从句是英语中一个非常重要的语法现象，它为我们表达更加精确、准确的信息提供了便利。
熟练掌握定语从句的用法不仅可以提高我们的语言表达能力，也可以帮助我们更好地理解他人的表达。
在这篇文章中，我们将一起来回顾和总结九年级定语从句的知识点。
一、定语从句的概念和构成定语从句是用来修饰名词或代词的从句，从句在句中作定语。
它通常由关系代词或关系副词引导，关系代词有that, which, who, whom, whose, 关系副词有where, when, why。
关系代词that一般用来修饰人或物，可以指代主语或宾语。
例：The book that I borrowed from the library is very interesting.我从图书馆借来的那本书非常有趣。
关系代词which用来修饰物，可以指代主语或宾语。
例：The car, which is parked outside, belongs to my friend.那辆停在外面的车是我朋友的。
关系代词who和whom用来修饰人，who在从句中做主语，whom在从句中做宾语。
例：The girl who is standing there is my sister.那个站在那里的女孩是我妹妹。
The teacher whom we met yesterday is very kind.我们昨天见到的那位老师非常和善。
关系代词whose用来修饰人或物，表示所属关系。
例：The man whose car was stolen reported it to the police.那个车被偷的人向警察报了案。
关系副词where用来修饰地点，在从句中作状语。
例：I still remember the city where I was born.我依然记得我出生的那个城市。
关系副词when用来修饰时间，在从句中作状语。
九年级上册的定语从句知识点英语
九年级上册的定语从句知识点英语定语从句是英语语法中的重要部分，掌握定语从句的用法和规则，对于提高英语语言表达的准确性和流利性非常重要。
九年级上册的英语课本也涉及了许多定语从句的知识点，本文将对其中几个重要的知识点进行分析和总结。
定语从句的定义是修饰名词或代词的从句，用来对其做进一步的限定或说明。
在九年级上册的课本中，我们可以看到很多例子，如"The boy who is sitting in the corner is my friend."（那个坐在角落里的男孩是我的朋友。
）这个句子中，主句是"The boy is my friend."，定语从句是"who is sitting in the corner"，修饰名词"boy"。
首先，我们来讨论定语从句的引导词。
在九年级上册的课本中，我们学习到了两种引导定语从句的词：关系代词和关系副词。
关系代词有三个，分别是"who"，"which"和"that"；关系副词有两个，分别是"where"和"when"。
这些引导词的选择是根据被修饰的名词或代词在句子中的作用和所表达的意思来决定的。
例如，在表达人的时候，我们可以使用"who"，如"The boy who is sitting in the corner is my friend."；而在表达物的时候，我们可以使用"which"，如"I lost the book which I borrowed from the library."其次，我们来看定语从句的位置。
在九年级上册的课本中，我们可以看到定语从句可以放在名词的前面或后面，它们的位置可以根据需要灵活变化。
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初三英语定语从句知识精讲（一）定语从句（一）一. 概念介绍：1. 在复合句中，修饰名词或代词的从句叫定语从句。
2. 被定语从句所修饰的名词或代词叫做先行词。
3. 定语从句一般都要放在先行词的后面。
4. 引导定语从句的有关系代词who，whom，whose，which和that及关系副词when，where 和why等。
5. 引导定语从句的关系代词和关系副词除了在先行词和定语从句之间起联系作用之外，它们还可以做定语从句的一个句子成分。
例句：The boy [ who is playing football ] is my brother .先行词关系代词定语从句Do you remember the place [ where we have watched the dolphin show ? ] →定语从句先行词关系副词二. 关系代词引导的定语从句：（关系代词可以作定语从句中的主语，宾语和定语）1. 关系代词who引导的定语从句：who指人，在定语从句中作主语和宾语。
eg .People who drink and drive are a danger to everyone .（作主语）The people who he met were friendly .（作宾语）2. 关系代词whom引导的定语从句：whom指人，在定语从句中作宾语。
eg .The new teacher whom you are waiting for has come .The old man whom we saw in the reading-room is a famous professor .3. 关系代词whose引导的定语从句：whose指人的所有格，在定语从句中作定语。
eg .Do you know the boy whose father died in a traffic accident ?The man whose bag was stolen has called the police .4. 关系代词which引导的定语从句：which指物，在定语从句中作主语和宾语。
eg .This is a story book which tells about a famous computer engineer —Bill Gates .（作主语）These are the magazines which young people like very much .（作宾语）5. 关系代词that引导的定语从句：that指人也指物，在定语从句中作主语和宾语。
eg .I’d like to see the films that are just on show .（作主语，指物）The famous singer that comes from Canada can sing Chinese songs .（作主语，指人）The present that my friend gave me on my birthday is kept on the bookshelf .（作宾语，指物）He is the man that you are looking for .（作宾语，指人）6. 注意：关系代词that ，which ，who 在定语从句中作主语时，不能省略。
作宾语时，在口语中或非正式文体中经常省略。
Whom 作宾语时，也常省略。
但若作介词宾语时，且介词置于关系代词前面时：A. 指人时，只能用whom （不能省略），不能用who 或that 。
B. 指物时，只能用which （不能省略），不能用that 。
eg .⎩⎨⎧.teacher maths my is now just to spoke I that /whom /who person The .teacher maths my is now just spoke I whom to person The ⎩⎨⎧.year last in lived we that /which room the is This .year last lived we which in room the is This 含有介词的短语动词一般不拆开，介词仍然放在动词后面。
eg .Is this the book （which / that ）he was looking for ?The babies （whom / that ）the nurses are looking after are very healthy .7. 定语从句中常用that ，而不用which 的情况。
（1）被修饰的先行词为不定代词时。
eg .We should do all that our teacher asks us to .There is nothing that I want to talk about .I like the one that you bought yesterday .（2）先行词被only ，any ，few ，little ，no ，all ，one of ，just ，very 等修饰时。
eg .You can take any book that you like .She is one of the few persons who know Japanese .The only thing that we can do is to study hard .（3）先行词是序数词或被序数词修饰时。
eg .The last lesson that we have learned is very interesting .This is the third story that our grandma has told us .（4）先行词是最高级或被最高级修饰时。
eg .So far , the best film that I have seen is “ The True Lie ” .I think the most important thing that should be done is to make the ecosystem of our world healthy again .（5）先行词既有人又有物时。
eg .The writer and his novel that you have just talked about is really well known .（6）若有两个从句，其中一个关系代词已经用了which ，另一个则用that 。
eg .Edison built up a factory which produced things that had never been seen before .（7）主句是There be 结构，修饰其主语的定语从句用that 作关系代词。
eg .There is a man that is reading under the tree .（8）被修饰成分为表语，或者关系代词本身是定语从句的表语时。
eg .That’s a good book that will help you a lot .My home village is no longer the place that it used to be .8. 定语从句中常用who，而不用that的情况。
（1）先行词为one，ones，anyone或those时。
eg .The person I want to learn from is one who studies hard and works well .Anyone who failed the exam should do more exercises .（2）在There be结构中，修饰主语的定语从句常用关系代词who指代人。
eg .There is a farmer who has planted many trees these years .There are many students who want to take part in the sports meeting .（3）当先行词有较长的后置定语时。
eg .I was talking to a person at three yesterday who comes from Canada .[例1] We don’t like the people smoke a lot .答案：who / that分析：先行词是people，表示“人”，所以关系代词用who或that，而且这两个关系代词在从句中做主语，因此不可以被省略。
[例2] A blind person is one cannot see anything .答案：who分析：先行词是one，指人，关系代词可选用who或that，但由于先行词是one，按照规定，关系代词只能用who。
[例3] This is one of the songs that very popular among young people .A. isB. areC. wasD. were答案：B分析：“one of the + 复数名词”这个结构后面的定语从句中的谓语动词常用复数，但若这一结构前面带有the only这个限定语时，后面的定语从句中的谓语动词则用单数形式。
eg .He is the only one of the farmers who has learned the Rnowledge of farming .一. 用who，that，which等关系代词填空：1. The house we live in is very old .2. Those are the shoes I lost last week .3. That is the man found my handbag .4. Lucy can’t eat food has chocolate in it.5. The car my uncle bought last month is very beautiful .6. The village Guo Peng lives in is very far away .7. The boy is wearing the black jacket is very clever .8. I hate people talk much but do little .9. The detective found the thieves robbed the Bank of Hawaii .10. My aunt works in a university has over five thousand students .11. George Mallory was an English school teacher loved climbing .12. The necklace she is wearing is beautiful .13. I didn’t see the man stole my handbag .14. We were very grateful to the vet treated our dog .15. My brother broke the digital camera I bought last weekend .16. Most people live in less developed countries are quite poor .17. The injection the doctor gave me wasn’t painful at all .18. Jim’s Dad hates to drink coffee has milk in it .19. People use credit cards to buy things online should be very careful .20. Don’t do anything takes away from your self-respect .21. The magazine I borrowed from the library was newly published .22. The ID card I lost last week was found in a supermarket .23. The newspapers we have collected will be recycled .24. Most of the cars were stolen have not been found yet .25. The students are visiting the natural museum are very interested in the dinosaurs .二. 把下列句子连接成定语从句：1. The boy is my brother . He helped me .2. The book is very interesting . You lent it to me yesterday .3. The students will not pass the exam . They don’t study hard .4. The teacher is our English teacher . You saw her on the playground .5. The man is our English teacher . He is standing on the playground .6. The book is good . He is reading it .7. The letter is from my friend . I received it yesterday .8. I’m reading a book . Its name is “ Who Moved My Cheese ? ”9. This is the boy . His sister is a famous singer .10. Is that the woman ? Her brother is a doctor .11. I want to talk to the boys . Their homework hasn’t been finished .12. Do you know the girl ? Her leg was badly hurt in the accident .三. 翻译下列定语从句：1. 这就是他为我的生日给我的礼物。