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中考英语语法定语从句练习定语从句⼀：先⾏词：被定语从句所修饰的词⼆：关系代词：⽤来连接定语从句，并在从句中代表先⾏词的代词。
先⾏词是物： which that先⾏词是⼈： who that在从句中的作⽤：主语、宾语、表语e.g. They had a radio. / It could send out messages.They had a radio which/ that could send out message. (主语)The girl is my best friend. / She spoke just now.The girl who/ that spoke just now is my best friend. （主语）He always buys some books. / He never read them.He always buys some books (which/ that) he never read. (宾语)注意点：1.）定语从句⼀般直接跟在先⾏词的后⾯：e.g. The man who lives next door sells vegetables.The man sells vegetables who lives next door. ( × )The car which my uncle just bought was destroyed in the earthquake.The car was destroyed in the earthquake which my uncle just bought. ( × )2．）关系代词在从句中作宾语时可以省略：e.g. The young man ( who ) you saw was our manager.There is something ( that ) we must keep in mind.3.) 关系代词在从句中作介词的宾语时，介词常可以提前，但介词提前时，关系代词只能⽤which 或 whome.g. The man is a famous runner. / You talked to him just now.The man to whom you talk just now is a famous runner.The chair is made of wood. / He is sitting on it now.The chair on which he is sitting now is made of wood.He is a library assistant. / I borrowed some books from him.He is a library assistant from whom I borrowed some books.It is a famous school. / He graduated from it 3 years ago.It is a famous school from which he graduated 3 years ago.The service should be improved. / The students complain a lot about it.The service about which the students complain a lot should be improved.有⼀些动词短语中的介词是固定搭配，不可以拆开，⼀般还是放在动语之后，不提前：e.g. He is the student. / The teachers are looking for him.He is the student who the teachers are looking for.The number of the children is 30. / She takes care of the children.The number of the children who she takes care of is 30.三： whose 的⽤法：关系代词与其后的名词构成所有格，即“ 的”时，它既可以修饰指⼈的先⾏词，也可以修饰指物的先⾏词。
定语从句一、语法知识在复合句中，修饰某一名词和代词，或修饰整个主句的从句叫做定语从句，它相当于形容词。
被修饰的名词或代词叫先行词。
引导定语从句的关系代词who, whom, whose, which, that, as 和关系副词when, where, why。
关系代词和关系副词既联系从句和先行词，还在从句中充当一个成分。
关系代词1．Who (指人，主格，从句中作主语或宾语)2．Whom (人，宾格，从句中作宾语)3．Whose (指人，也指物，从句中作定语)●如表示所有关系，指人可以与of whom互换，指物可与of which 互换4. Which (指物，从句中作主语或宾语)●关系代词在从句中做宾语时一般可省略。
●当从句中的介词提前时，关系代词只能用which, whom，且不可省略。
●Which 充当both of, all of, none of, one of 的宾语时不能用whose 互换。
5. that (指人，也可物，从句中作主语或宾语，还可以作表语)That 指物可以与which互换，以下几种情况只用that。
1.先行词all, everything, nothing, something, anything, little, much 等不定代词2.先行词被all, every, no, some, any, little, much 等修饰。
3.先行词被序数词或形容词最高级修饰时。
4.先行词被the only, the very, the last 修饰时。
5.先行词既有人又有物，从句应用that,而不是其他。
当主句是以which 开头的特殊疑问句时，定语从句多用that以上通常是使用于先行词为物，先行词是人一般不受限制6．as 常用于the same--- as, such ---as, as --- as , so --- as关系副词1．W hen （表示时间，时间状语）2．w here （表示地点，地点状语）3．w hy（表示原因，原因状语，先行词reason）非限制性定语从句1．从句与先行词关系松散。
定语从句与高考定语从句是高考的热点，主要考查关系代词和关系副词的正确运用，特别是它们在非限制性定语从句中的运用。
主要考点有：1.关系代词who, which, that, whom, as, whose的基本用法。
2.关系副词when, where, why的基本用法。
3.定语从句中关系词的特殊用法。
4.定语从句中“介词＋关系代词”介词的确定。
5. which/ as引导的非限制性定语从句的区别。
一、定语从句的分类限制性定语从句定语从句非限制性定语从句二、限制性定语从句和非限制性定语从句的区别区别一：形式不同限定性定语从句主句和从句之间不用逗号隔开；而非限定性定语从句与主句之间通常____用___逗号隔开。
区别二：功能不同限定性定语从句用于对先行词的意义进行修饰、限制和识别，如果去掉，就会造成句意____不明确___；而非限定性定语从句用于对先行词起补充说明作用，如果省略，句意不影响。
如：People who take physical exercise live longer. 进行体育锻炼的人活得长些。
(若把从句去掉句子就失去意义)His daughter, who is in Boston now, is coming home next week. 他女儿现在在波士顿，下星期回来。
(若把从句去句子意义仍然完整)比较下面的两个句子：I have a sister who is a doctor. 我有一个当医生的姐姐。
(姐姐不止一个)I have a sister, who is a doctor. 我有一个姐姐，她是当医生的。
(只有一个姐姐)区别三：翻译不同在翻译定语从句时，一般把限定性定语从句翻译在它所修饰的先行词之前，而把非限定性定语从句与主句分开。
如：He is the man whose car was stolen. 他就是汽车被窃的那个人。
I’ve invited Jim, who lives in the next flat. 我邀请了吉姆，他就住在隔壁。
高考英语专项定语从句语法详解以及练习题定语从句确实是由关系代词和关系副词引导的从句，同时作定语修饰主句中某一名词或代词（一）定语从句一样由关系代词和关系副词引导1、关系代词：who, whom, whose, which, that, as2、关系副词：when, where, why关系代词和关系副词必须位于主句先行词之后，定语从句之首，，起着连接先行词和定语从句的作用，同时在从句中又充当句子成分。
先行词：定语从句修饰的词叫先行词。
She is the girl who/that lives next door. 她确实是住在隔壁家的女孩。
关系代词that 人/物主语宾语Which 物主语宾语Whom 人宾语Who 人主语宾语Whose 人/物定语As 人/物主语宾语先行词在定语从句中作的语法成分关系副词when 时刻名词状语Where 地点名词状语Why 缘故reason 状语关系副词when（指时刻，在定语从句中作时刻状语，where（指地点，在定语从句中作地点状语），why（指缘故，在定语从句中作缘故状语）。
who, whom, whose, which, that, as的使用先行词指人，在定语从句中作主语，用who/that,同时不能省略She is the girl who/that lives next door. 她确实是住在隔壁家的女孩。
先行词指人，在定语从句中作宾语，用whom/who/that,能够省略That is the girl whom/who/that I teach. 那个确实是我教的女孩。
先行词指物，在定语从句中作主语，用which/that,同时不能省略The work that/which has just been finished is very important. 刚刚完成的那份工作专门重要。
先行词指物，在定语从句中作宾语，用which/that,能够省略This is the book which/that I want to read. 这确实是我想读的一本书。
（一）定语从句一般由关系代词和关系副词引导1、关系代词：who, whom, whose, which, that, as2、关系副词：when, where, why关系代词和关系副词必须位于从句之首，主句先行词之后，起着连接先行词和从句的作用，同时在从句中又充当句子成分。
e.g. She is the girl who sings best of all.（关系代词who在从句中作主语）The comrade with whom I came knows French.（whom在从句中作介词with的宾语）3、关系代词和关系副词的用法：1）当先行词为人时用who 作主语，whom作宾语；2）当先行词为物或整个句子时用which ，可作主语或宾语；3）先行词为人、物时用that ，可作主语或宾语；4）whose用作定语，可指人或物；5）关系副词when（指时间，在定语从句中作时间状语，where（指地点，在定语从句中作地点状语），why（指原因，在定语从句中作原因状语）。
（二）限制性定语从句与非限制性定语从句1、限制性定语从句：从句与主句关系密切，去掉从句，主句意义不完整，甚至不合逻辑。
e.g. I was the only person in our office who was invited.（去掉定语从句，意思就不完整）2、非限制性定语从句：从句对先行词关系不密切，去掉定从句，意思仍然完整。
形式上用逗号隔开，不能that用引导。
e.g. Tom’s father, who is over sixty, still works hard day and night.（who引导非限制性定语从句，整个句子可分成两句来翻译）（三）使用定语从句时特别注意的几个问题1、that与whi ch的区别。
1）用that而不用which的情况：①先行词为不定代词all, anything, nothing, …；②先行词有最高级修饰，有序数词修饰；③先行词有only, very, any等词修饰；④先行词既有人又有物时。
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。
定语从句1.定语从句：定语从句是由关系代词或关系副词引导的从句，其作用是作定语修饰主句的某个名词性成分，相当于形容词，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。
2.关系词：引导定语从句的关联词称为关系词，关系词有关系代词和关系副词。
关系代词有that, which, who, whom, whose, as等；关系副词有where, when, why等。
关系词常有 3 个作用： 1 ，引导定语从句。
2 ，代替先行词。
3，在定语从句中担当一个成分。
注：关系代词有主语.宾语之分。
一般whom 作为宾语。
4.定语：定语用来限定、修饰名词或代词的，是对名词或代词起修饰、限定作用的词、短语或句子，汉语中常用 , ⋯⋯的 ?表示。
主要由形容词担任。
此外，名词，代词，数词，分词，副词，不定式以及介词短语也可以来担任，也可以由一个句子来担任．单词作定语时通常放在它所修饰的词之前，作前置定语。
短语和从句作定语时则放在所修饰的词之后，作后置定语。
（一）关系代词（在句中作主语、宾语或定语）1. that 既可代表事物也可代表人，which 代表事物；它们在从句中作主语或宾语，that 在从句中作宾语时常可省略关系词，which 在从句中作宾语也可以省略。
[eg ：this is the book（which）you want。
]而且，如果which在从句中作“不及物动词＋介词”的介词的宾语，注意介词不要丢掉，而且介词总是放在关系代词which 的前边，但有的则放在它原来的位置2. which作宾语时，根据先行词与定语从句之间的语义关系，先行词与which 之间的介词不能丢3. 代表物时多用which ，但在带有下列词的句子中用that 而不用which ，这些词包括当先行词是anything, everything, nothing , none等不定代词时，或者是由every, any, all, some, no, little, few, much等修饰时等，这时的that 常被省略还有先行词前有序数词或形容词最高级修饰时,或先行词就是序数词或最高级时.以及先行词中既有人又有物时 .还有句中前面有which 时 ,都只能用that4. who 和 whom 引导的从句用来修饰人，分别作从句中的主语和宾语，whom 作宾语时，要注意它可以作动词的宾语也可以作介词的宾语5. whose 是关系代词，修饰名词作定语，相当于所修饰成分的前置所有格.它引导的从句可以修饰人和物, 当它引导的从句修饰物体时, 可以与of which调换,表达的意思一样。
定语从句语法讲解及练习教案一、教学目标1. 让学生理解定语从句的定义和作用。
2. 让学生掌握定语从句的引导词及其用法。
3. 让学生能够正确运用定语从句修饰名词或代词。
4. 让学生通过练习提高运用定语从句的能力。
二、教学内容1. 定语从句的定义和作用2. 定语从句的引导词：who, which, that, where, when, why等3. 定语从句的连接词：and, but, or等4. 定语从句的先行词：名词、代词、副词等5. 定语从句的倒装结构三、教学过程1. 引入：通过一个句子让学生猜测定语从句的作用。
2. 讲解：讲解定语从句的定义、作用和引导词。
3. 示例：给出一些定语从句的例子，让学生观察和理解。
4. 练习：让学生练习找出句子中的定语从句并解释其作用。
四、练习题1. 找出下列句子中的定语从句，并解释其作用。
a. The book that you gave me is very interesting.b. My friend, who lives in New York, is a teacher.c. The city where I was born is beautiful.d. The time when we met was unforgettable.2. 完成下列句子，使用定语从句修饰名词或代词。
a. I remember (1) _ (who) helped me when I was in trouble.b. The (2) _ (which) you gave me is very useful.c. Can you show me (3) _ (where) the library is?d. I like the movie (4) _ (that) we watched last night.五、答案及解析1. 定语从句的作用是修饰先行词，使句子更具体、清晰。
高中英语定语从句讲解及练习定语从句是高中重点知识，也是高考常考点，大家也不容易掌握，这篇文章主要教你关系代词引导的定语从句关系副词引导的定语从句判断关系代词与关系副词限制性和非限制性定语从句等内容，有例题讲解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。
18.1 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。
定语从句详解+例句定语从句是英语重点语法之一，几乎每个人在研究英语时都会遇到，也是高考、四级、六级等考试的重点，因此需要系统的掌握和练。
定语从句在英语中经常出现，用于修饰名词或代词，从而可以更加精准地表达意思。
以下是定语从句的详细解释和例句。
一、什么是定语从句定语从句是用来修饰名词或代词，从而使该名词或代词的含义更加精确。
在定语从句中，包含了一个关系代词（that，which，who，whom，whose）或一个关系副词（where，when，why）等。
二、定语从句的种类1. 定义性定语从句定义性定语从句是限制性的定语从句。
它的作用是进一步说明名词的具体内容和范围。
这种定语从句中的关系代词一般用that/who/which。
例：The book which is on the desk is mine. （在桌子上的书是我的。
）2. 非定义性定语从句非定义性定语从句是非限制性的定语从句。
它用来为名词或代词提供附加的描述或补充信息。
这种定语从句中的关系代词一般用which/who。
例：My husband, who is a doctor, is very busy. （我丈夫是个医生，非常忙。
）三、定语从句的引导词1. 关系代词关系代词包括 that、which、who、whom、whose。
指物指人主格 which who宾格 which/ that whom/who形容词性物主代词 whose whose2. 关系副词关系副词有三个，分别是 when、where 和 why，表示时间、地点和原因。
四、定语从句的位置定语从句通常紧跟在它所修饰的名词之后，用于对该名词进行限制或描述。
五、注意点1. 先行词需要同定语从句中的关系代词在性、数上保持一致。
2. 当先行词在定语从句中作为主语时，关系代词要使用主格形式 who 或者 that。
若先行词在定语从句中作为宾语，关系代词要使用宾格形式 whom 或者 that。
定语从句一、有关定语从句的概念(1)定语从句：就是在复合句里充当定语的从句，它通常紧靠在所修饰的名词或代词后面。
(2)先行词：就是被定语从句修饰的名词或代词。
(3)关系词：引导定语从句的词叫关系词。
关系词有关系代词who, whom, whose, which和that等；关系副词有when, where, why等。
关系词不仅起连接作用，而且还代表先行词并在定语从句中担任某一句子成分，关系代词作主语、宾语、定语、表语等，关系副词作状语。
如：This is the book that my father bought me yesterday. 这就是我父亲昨天帮我买的那本书。
说明：句中修饰the book的that my father bought me yesterday就是定语从句；被定语从句所修饰的the book这是先行词；代表the book的关系代词that在定语从句中作bought的直接宾语。
The time when he arrives is not known. 他到达的时间还不知道。
说明：句中when he arrives是定语从句，被定语从句修饰的the time是先行词，关系副词when 作时间状语。
二、关系代词的一般用法先行词是人，在从句中作主语用who，作宾语用whom或who，作定语用whose；先行词是物，在定语从句中作主语或宾语都用which，作定语用of which或whose均可。
在限制性定语从句中which, who, whom都可用that代替。
关系代词作宾语时常被省略。
This is the man who helped me yesterday. 这就是昨天帮助我的那个人。
(作主语)The teacher (who/whom/that) you want to see is coming. 你要见的老师来了。
(作see的宾语，可以省略)I met a boy whose father was an astronaut. 我认识一位男孩，他的父亲是宇航员。
(作定语) Here is the coat which/that will be bought for you. 这是一件买给你的衣服。
（作主语）This is the factory (which/that) we visited last year.这就是我们去年参观的那家工厂。
(作visited 的宾语，可以省略)He has a book whose cover (=the cover of which) is very beautiful. 他有一本封面非常漂亮的书。
三、关系副词的一般用法关系副词有when, where, why，在定语从句中作状语，分别表示时间、地点和原因。
when的先行词通常是time, day, season, age, occasion等时间名词；where的先行词通常是place, city, town, village, house, case, situation, scenes等地点或情形名词；why的先行词只能是reason。
关系副词when和where有时可用“介词＋which”代替，why可用for which代替。
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？注意：先行词虽然是时间或地点，但若在定语从句中作主语或宾语时，要用关系代词。
(1)The factory where his father worked has closed. 他父亲曾工作的那家工厂关闭了。
(作状语) 比较：The factory which/that was built in 1978 has closed. 1978年建的那家工厂关闭了。
(作主语)(2) I’ll never forget the days when we lived together. 我永远也忘不了我们一起生活的那些日子。
(作状语)比较：I’ll never forget the days (that) we spent in Australia. 我永远也忘不了我们在澳大利亚度过的那些日子。
(作及物动词spent的宾语)(3) The reason (why) she was ill was that she had eaten bad meat. 她生病的原因是她吃了变质的肉。
(作状语，用关系副词)比较：The reason (that) he gave for his absence was obviously fabricated.他所说的缺席理由显然是编造的。
(作gave的宾语，用关系代词)四、习惯上要用that引导的定语从句(1)当先行词是指物的all, little, few, much, any, anything, everything, nothing, none, the one时，或先行词被all, little, few, much, any, every, no等修饰时。
All that can be done has been done. 能做的都已经做了。
He will tell you everything that he heard about it.他将告诉你他所听到的关于这件事的一切。
There is little work that is fit for you. 没什么工作适合你做。
I have eaten all the food that is left. 我把剩下的所有食物都吃了。
(2)先行词是序数词或最高级形容词时，或者先行词被序数词(包括last, next)、最高级形容词及the only, the very 等修饰时。
This is the first film that I have seen since I came here.这是我到这里后所看的第一场电影。
This is the best that has been used against pollution. 这是用来防止污染的最好办法。
This is the very book that I am looking for. 这正是我一直在寻找的那本书。
(3)先行词包括人和物时。
They often talk about the people and the things that they are interested in. 他们常常谈论那些他们感兴趣的人和事。
(4)当主句是以who或which开头的疑问句时，为了避免重复，多用that引导。
如：Which is the house that caught fire last night? 昨晚失火的是那座房子？Who is the lady that is playing the piano? 在弹钢琴的那位小姐是谁？五、习惯上不用that引导的定语从句(1)在非限制性定语从句中，不可以用that引导。
Yesterday I met Mary, who seemed very excited. 昨天我碰到了玛丽，她显得非常兴奋。
(2)直接在介词后作宾语时，不能用that引导，要用whom, whose或which，且不能省略。
The house in which we live is not large. 我们住院的房子不大。
I know the young man with whom you live. 我认识和你住在一起的那个年青人。
但当介词放在从句的末尾时，可以用that替代which, who替代whom，也可以省略关系代词。
如：The house (which/that) we live in is not large. 我们住院的房子不大。
I know the man (whom/who/that) you live with. 我认识和你住在一起的那个人。
(3)当先行词是指人的all, any, few, one(s), anyone, everyone, people 等时，多用who。
如：None so blind as those who won't see. 睁眼不看事实的人眼最瞎。
Anyone who is over sixteen is allowed in. 任何超过十六岁的人都允许进去。
I met someone who said he knew you. 我碰到一个人，他说认识你。
He who has a mind to beat his dog will easily find his stick. (谚)欲加之罪,何患无辞。
(4)当先行词与关系代词之间有较复杂的短语或从句隔开时。
I was the only person in my office who was invited. 我是我们办公室里唯一受到邀请的人。
A new master will come tomorrow who will teach you German. 有位新校长明天来，他将教你们德语。
一、定语从句练习题A.I单项填空1. -Do you know the man ______is talking with your father？-Yes，he’s our headmaster. A. he B. who C. which D. whom2. Is this the river _____I can swim？ A. which B. in which C. that D. the one3. This is the best hotel in the city _____I know. A. where B. which C. that D. it4. Can you lend me the dictionary ______the other day？A. that you boughtB. you bought itC. that you bought itD. which you bought it5. Anyone ______with what I said may put up you hands.A. which agreesB. who agreeC. who agreesD. which agree6. My watch is not the only thing ______ is missing.A. thatB. itC. whichD.who7. The man ______coat is black is waiting at the gateA. who’s B whose C. that D.of which.8. The girl ______ is reading under the tree _____my sister.A. which；isB. whom；wasC. who；isD. who；was9. I love places ______the people are really friendly.A. thatB. whichC. whereD. who10. The world ______ is made up of matter.A. in that we liveB. on which we liveC. where we live inD. we live inⅡ. 用适当的关系代词that，which，who，whom填空。
