(完整版)介词加关系代词定语从句
介词加关系代词引导的定语从句
介词加关系代词引导的定语从句
定语从句是由关系代词或关系副词引导的从句，用于修饰先行词，在句中作定语。
当关系代词在定语从句中作介词宾语时，我们通常用“介词+关系代词”引导定语从句。
以下是关于介词加关系代词引导的定语从句的详细介绍：
- 如果指“人”，用“介词+whom”。
如：I’ll never forget the time during which I spent my childhood in the country. 我永远不会忘记孩童时代我在乡村度过的时光。
- 如果指“物”，用“介词+which”。
如：The little girl is reading a book in which there are many pictures. 那个小女孩正在读一本书，书中有很多图画。
确定介词时，可以从以下三方面入手：
- 先行词的意义；
- 从句中的动词或形容词与先行词的固定搭配；
- 句子的意思。
在使用“介词+关系代词”引导定语从句时，需要注意不同介词的用法和含义，以确保句子的准确性和流畅性。
高考英语二轮复习：定语从句 介词 关系代词,关系副词：whenwhere(素材)
2022届新高考英语语法二轮复习基础微专题定语从句（四）介词+关系代词，关系副词：when, where一、带介词的定语从句1. 固定词组，介词置于后，关系代词使用灵活.This is the hair clip (whom / who/ that) she is looking after.类似的固定词组：look after, turn off, take care of, make up2. 非固定词组，介词位置灵活，关系代词使用严格The woman (whom/ who/ that) I spoke to is a classmate of mine.The girl to whom I spoke is a friend of .3. 介词词组（关系代词远离先行词）In front of, on top of ,at the foot of, with the help of, as a result of.We stand outside a building in front of which stands a library.We arrived at a hill, on top of which stood a tower.4. 代词/数词+of +关系代词He has written many books, most of which are for children.=He has written many books, of which most are in Chinese.We have many students, two of whom have won prizes of international competitions.5. 介词+whose 修饰后面的名词：He is the very man in whose pocket I found my lost money.二、关系副词的用法比较下面的几组句子：a. I will never forget the day.b. I first met you on the seashore on the day .合并成一个定语从句：I will never forget the day on which I first met you on the seashore.先行词在定语从句中，做状语：介词on + 先行词（介词短语在句子中做状语）= I will never forget the day when I first met you on the seashore.when 在定语从句中，做时间状语易错题型例句：I will never forget the days which/that we spent together in that school.定语从句中，spent 缺少宾语。
介词加关系代词引导定语从句
介词+关系代词引导的定语从句（一）“介词+关系代词”引导的定语从句是定语从句的一种复杂形式，这类定语从句的关系代词主要有which ,whom , whose , 它们既可以引导限定性定语从句，也可以引导非限定性定语从句。
关系代词前该选用什么样的介词，要根据不同的语境、习语、惯用法等来决定。
一．介词选择的主要标准1.介词与定语从句的先行词是一种习惯性搭配Human facial expressions differ from those animals in the degree towhich they can be controlled on purpose.人类的面部表情和动物的面部表情就可控制的程度来说是不一样的。
( to a degree ) The gentleman about whom you told me yesterday proved to be athief.你昨天告诉我的那个绅士被证明是个小偷。
( tell sb. about sb./sth. )The English play in which my students acted at the New Year's party was a great success.那场在新年晚会上我学生参加表演的英语剧很成功。
( in the play )The schools themselves admit that not all children will be successful in the jobs for which they are being trained.学校本身承认，并不是所有的孩子都能在他们所接受的培训的职业成功。
( be trainedfor the job )2.介词与定语从句中的动词是一种习惯性搭配Who is the man with whom our teacher is shaking hands? 我们的老师与之握手的那个男士是谁？ ( shake hands with sb. ) Last month , part of Southeast Asia was struck by floods , from上个月，东南亚的部分 effects the people are still suffering. whose地区发生洪水，人们还在遭受着洪水所带来的影响。
定语从句介词加关系代词用法
定语从句介词加关系代词用法在定语从句中，介词加关系代词的用法如下：1.关系代词在介词前：当关系代词作为定语从句的主语时，介词通常放在关系代词的前面。
例如：- The man whom I spoke to is my boss.（我与之交谈的那个人是我的老板。
）- The book that I am looking for is on the table.（我要找的那本书在桌子上。
）2.关系代词在介词后：当关系代词作为定语从句的宾语时，介词通常放在关系代词的后面。
例如：- The house which he lives in is very old.（他住在的那栋房子很旧。
）- The car that she is interested in is not available.（她感兴趣的那辆车不可用。
）需要注意的是，当介词后的关系代词是which时，可以省略介词。
例如：- The city which I was born in is famous for its architecture.（我出生的那座城市以其建筑而闻名。
）- The city I was born in is famous for its architecture.（我出生的那座城市以其建筑而闻名。
）同时，也可以通过适当拓展定语从句来提供更多信息：- The man whom I spoke to yesterday, in the cafe near my office, is my boss.（昨天我在我办公室附近的咖啡馆里与之交谈的那个人是我的老板。
）- The book that I am looking for, which is a bestseller,is on the table.（我正在找的那本畅销书就在桌子上。
）。
定语从句介词关系代词ppt课件
介词+关系代词: 介词的选择
1. 根据先行词来确定介词
He will never forget the day on which he failed in the exam. on the day在那天
This is the village in which I stayed last night. in the village在乡村
A.in front of it
B. in front of whose
C.in front of which D.in front which
2.I’ll never forget the day_A___I joined the League.
A.on which
B.in which
C.which
注意：
介词+关系代词
4. whose引导的定语从句, 关系代词whose可替 换为 “the+名词 + of + which/whom”或 “of which/whom + the + 名词”
e.g. I live in the house whose roof is red. = the roof of which is red.
e.g. The baby whom the nurse is looking after is very healthy.
This is the watch I am looking for.
The winter holiday that we have looked forward to for a long time is coming.
• He is the man to whom you can turn for help.
“介词＋关系代词”引导的定语从句等重点句型详解
“介词＋关系代词”引导的定语从句等重点句型详解“介词＋关系代词”引导的定语从句等重点句型详解知识点包括“介词＋关系代词”引导的定语从句、现在分词短语作状语、独立主格结构的用法、neither...nor...、过去完成进行时的用法等部分，有关“介词＋关系代词”引导的定语从句等重点句型详解的详情如下：“介词＋关系代词”引导的定语从句After Dr Bethune's death，Chairman Mao Zedong wrote an article in memory of him，in which he praised Dr Bethune as a hero to be remembered in China.白求恩大夫死后，毛泽东主席写了一篇文章纪念他，赞扬白求恩大夫是中国人民永远铭记的英雄。
(1)句式分析：这是一个主从复合句。
主句是Chairman Mao Zedong wrote an article in memory of him，后面是in which引导的非限制性定语从句，修饰先行词an article。
(2)“介词＋关系代词”引导的定语从句“介词＋关系代词”可引导限制性定语从句，也可引导非限制性定语从句，现将其用法归纳如下：The papers (which) he was searching for have been recovered.他刚才在寻找的那些文件已经找回来了。
The holiday villa had a large window on every side from which(＝where) one could enjoy the lakeside scenery，as enchanting as fairyland.度假别墅轩窗四周，满目湖光山色，真如仙境。
The farm on which we worked ten years ago isn't what it used to be.十年前我们工作过的那个农场已不是过去的样子了。
介词+关系词引导的定语从句
介词 + 关系代词”引导的定语从句介词加关系代词引导的定语从句要注意以下几点：1．“介词 + 关系代词”引导的定语从句时，介词的宾语只能用which（指物）和whom （指人），即：介词+which/whom。
不能用that 和who。
.This is the teacher from whom we’ve learned a lot. 这就是从他那里我们学了很多东西的老师。
Great changes have taken place in the city in which we live. 我们所居住的城市发生了巨大的变化。
2．有时介词也可放在从句的末尾，这时关系代词可用which/that(指物)，who/whom/that （指人），也可以省略。
. The situation (which/that ) we had got into was very dangerous. 我们当时的处境很危险。
The man (whom/who/that) you were talking to just now is my English teacher. 你刚刚和他谈话的那个人是我的英语老师。
3．当定语从句中的谓语动词短语是固定搭配，不可分割时，那么动词短语中的介词不能前置。
.This is the pen which I’m looking for. 这是我正在找的那支钢笔。
不能写成：This is the pen for which I’m looking.4．定语从句也可由“名词/代词/数词+介词+which/whom”引出。
. That old man has two sons, one of whom is a doctor. 那个老人有两个儿子，其中一个是医生。
The house, the windows of which ( = whose windows = of which the windows) were damaged, has now been repaired. 窗子遭破坏的那栋房子现在已经修好了。
定语从句中介词加关系代词的用法
定语从句中介词加关系代词的用法定语从句是指用来修饰名词或代词的从句，在英语语法中有丰富多样的用法。
其中，当介词与关系代词相结合时，就构成了定语从句中介词加关系代词的用法。
在这种结构中，介词在定语从句中起到特定的作用，而关系代词则在从句中充当连接词。
常用的关系代词有：who, whom, whose, which, that。
介词在定语从句中主要有以下几种情况的用法。
1. 介词+关系代词在从句中作宾语时，介词可以放在关系代词之前或之后。
例如：- The book which I am looking for is on the table.- The book for which I am looking is on the table.2. 介词+关系代词在从句中作宾语时，如果介词是短语动词的一部分，介词只能放在关系代词之后。
例如：- That is the man whom I am talking about.- That is the man about whom I am talking.3. 介词+关系代词在从句中作定语时，关系代词的选择要根据介词的要求而定。
例如：- The book on which I am working is very challenging.- The house in which she lives is beautiful.4. 当关系代词是物格形式（whom），介词可以前置到关系代词之前。
例如：- The person to whom I gave the book is my friend.- The person whom I gave the book to is my friend.需要注意的是，在口语中，人们往往更倾向于使用介词后置的形式，即将介词放在关系代词后面。
同时，有时候可以使用介词+which来替代介词+关系代词的结构，这种形式更加简洁。
(完整版)介词加关系代词定语从句.doc
“介词 + 关系代词”引导的定语从句“介词 +关系代词”型定语从句五大考点“介词 +关系代词”引导的定语从句是英语语法中的难点和重点, 近年来高考对这一语法结构的考查大有升温之势。
在介词后作宾语的关系代词只有which 和 whom 。
如先行词是物，引导词用which ；如先行词是人，则引导词用whom 。
如：This is the ship by which I went to Shanghai.This is the student for whom I bought the book.考点 1 简单介词 +关系代词知识归纳：用于此结构的关系代词指人时只能用whom, 指物时只能用which ；介词选择的依据主要是根据从句中的动词、形容词、名词与介词的固定搭配而定；或者以先行词与从句中的动词关系及所表达的含义而定；或者以先行词在定语从句中的作用和含义而定，并且含有介词的短语动词不能拆开，介词仍然放在动词之后。
（1）根据定语从句中的谓语动词确定介词，其动词或介词搭配，构成动词短语。
例如：Is this the car for which you paid a high price? (pay for)In the dark street, there wasn t a single ’person to whom she could turn for help. (turn to sb for help)The man with whom you shook hands just now is our English teacher. (shake hands with sb)（2）根据定语从句中的形容词确定介词，其形容词与介词搭配，构成形容词短语。
例如：The two things about which Karl Marx was not sure were the grammar and some of the idioms. (be sure about)The teacher of whom the students in our class are fond is Mr Wang, our English teacher. (be fond of)（3）根据定语从句所修饰的先行词确定介词，其先行词往往是表示时间、地点、原因、方法、工具等的词，它们与介词之间有一定的联系。
(完整版)介词+关系代词
lived in Tianjin. !
=when
=where
5. Hangzhou is the place to which I went last year.
=when 6. I remember the day on which my father died. I
was only ten years old at that time.
介词+关系词的功能
一、“介词+关系代词” 结构在定语从句中主要起关系副 词的作用，即在定语从句中充当状语。用在介词后的关 系代词只有whom, which和whose 三个，不能用that.
二、介词后面的关系词不能省略。
三、先行词时物时，介词后用关系词which，先行词是人 时，介词后用关系词whom.
2. This is the room in which I lived. =where
3. I don’t know the reason for which he haven’t
come today.
=why
4. Tom still remembers the days during which they
关系副词when, where, why 和介词+which之间的关系
关系副词when, where, why可以用 适当的介词+which来替代。
如：when=in/on/at…+which, where=in/on/at…+which, why=for+which 。
=when 1. I won’t forget the date on which I was born.
定语从句
Preposition +which / +whom
(完整版)介词加关系代词引导的定语从句
“介词+ which / whom”引导的定语从句“介词+关系代词"引导的定语从句，是定语从句一种介词前置的定语从句句型，介词与关系代词之间存在一种介宾关系。
当关系代词在定语从句中作介词宾语时，把介词置于关系代词前,即演变出“介词+关系代词”句型。
例如：The man who/whom /that you spoke to is a teacher。
=The man to whom you spoke is a teacher.一、基本构成1。
“介词+关系代词”结构引导的定语从句中，关系代词只能用which（指物）或whom(指人) ，即:介词+which/whom。
（1）The man to whom you spoke is a teacher.（2)The city in which she lives is far away。
（3）The little girl is reading a book,in which there are many cartoons.注意：当介词放在关系代词的前面时,用在介词后的关系代词不能省略。
2.在限制性定语从句中，当介词置于定语从句的谓语动词之后时，可用that/which（指物)；that/who/whom （指人）作介词的宾语.且此处关系代词可以省略，特别是在口语中。
如:（1） The man (who/whom /that ）you spoke to is a teacher。
（2)The city（which/that）she lives in is far away.注：通常介词放在定语从句中动词后,也可以放在关系代词前面，但有些特殊动词短语搭配不能拆分,介词只能放在动词后，如： look for, look after, pay attention to ，take care of ， look forward to, listen to等.This is the pen that / which you are looking for.The patient whom she is looking after is her father。
高中英语语法：介词加关系代词引导的定语从句
高中英语语法“介词+ which / whom”引导的定语从句“介词+关系代词”引导的定语从句，是定语从句一种介词前置的定语从句句型，介词与关系代词之间存在一种介宾关系。
当关系代词在定语从句中作介词宾语时，把介词置于关系代词前，即演变出“介词+关系代词”句型。
例如：The man who/whom /that you spoke to is a teacher.=The man to whom you spoke is a teacher.一、基本构成1.“介词+关系代词”结构引导的定语从句中，关系代词只能用which（指物）或whom(指人) ，即：介词+which/whom。
（1）The man to whom you spoke is a teacher.（2）The city in which she lives is far away.（3）The little girl is reading a book,in which there are many cartoons.注意：当介词放在关系代词的前面时，用在介词后的关系代词不能省略。
2.在限制性定语从句中，当介词置于定语从句的谓语动词之后时，可用that/which(指物)；that/who/whom（指人）作介词的宾语.且此处关系代词可以省略，特别是在口语中。
如：（1) The man (who/whom /that )you spoke to is a teacher.（2）The city（which/that）she lives in is far away.注：通常介词放在定语从句中动词后，也可以放在关系代词前面，但有些特殊动词短语搭配不能拆分，介词只能放在动词后，如：look for, look after, pay attention to ,take care of , look forward to, listen to等。
定语从句介词加关系词
The pen with which he is writing now was bought yesterday.
2. 介词的位置 ①一般情况下，介词放在关系代词which和whom
之前，也可放在动词后。
2.A desert is a great plain _in__w_h_ic_h___ nothing will grow.
3.He was the man _f_ro_m__w_h_o_s_e__room the thief had stolen the bag.
4.This is my pair of glasses, __w_i_th_o_u_t_w_h_i_c_h__I cannot see clearly.
11.The journey around the world took the old sailor nine months, _o_f_w__h_ic_h_ the sailing time was 226 days.
介词加关系代词的基本用法
•The manw__it_h_w__h_o_m__ you shook hands just now is our headmaster.
1.名词+介词+关系代词
This is the teacher whose daughter is a famous doctor. =This is the teacher the daughter of whom is a famous
doctor.
2.数词+介词+关系代词(含基数词、序数词、 分数和百分数）
高考英语语法全解-介词+关系代词引导的定语从句(附精选例题+习题和解析)
语法由介词+关系代词引导的定语从句1. 介词+关系代词中介词的位置关系代词whom，which，whose在从句中作介词宾语时，可以跟介词一起放在从句与主句之间（that，who不可以），也可以把介词放在从句中有关动词的后面，使关系代词紧跟它所修饰的先行词。
例如：He is a man of rich experience, from whom much can be learned.=He is a man of rich experience, whom much can be learned from.他是个经验丰富的人，从他那里能学到很多。
The school in which he once worked is a key school.=The school (which/that) he once worked in is a key school.他曾经工作过的学校是一所重点学校。
The manager in whose company I work pays much attention to improving our working conditions.=The manager whose company I'm working in pays much attention to improving our working conditions.我就职的那家公司的经理十分注意改善我们的工作条件。
2. 介词+关系代词的常见结构(1) 介词+which/whom例如：This is the famous singer about whom we have often talked.这就是那位我们经常谈论的著名歌唱家。
Fortunately we had a map, without which we would have got lost.很幸运，我们带了一张地图，如果没有的话，我们就会迷路了。
介词加关系代词定语从句
1.“哇塞，‘The book on which I spent a lot of time is really interesting.’就像找到了一个宝藏。
比如说我读那本书的时候，可不就像在挖掘宝藏嘛。
”（例子：读那书如挖宝藏，如超棒“这句超棒” 棒。
）2.“嘿，‘The person with whom I had a great conversation is so smart.’有次和那个人聊天，那感觉就像和智者对话。
这也太厉害了吧。
”（例子：和那人聊如和智者对话，如厉害“这句好厉害” 厉。
）3.“哎呀，‘The place in which I had a wonderful time is like a paradise.’咱就像进入了一个梦幻之地。
比如我在那个地方玩的时候，多让人开心。
”（例子：在那玩如进梦幻地，如开心“这句好开心” 心。
）4.“哇哦，‘The movie about which we talked a lot is really moving.’这不是很让人感动嘛！有次我们讨论那部电影，就像在分享一个感人的故事。
”（例子：论电影如分享感人故事，如感动“这句好感动” 动。
）5.“嘿，‘The song to which I always listen is like a magic spell.’有那么一种神奇的感觉。
就像被施了魔法。
比如我听那首歌的时候，那叫一个陶醉。
”（例子：听那歌如被施魔法，如陶醉“这句好陶醉” 醉。
）6.“哎呀，‘The game in which I participated is so exciting.’咱就像参加了一场冒险。
比如我玩那个游戏的时候，多让人兴奋。
”（例子：玩游戏如参加冒险，如兴奋“这句好兴奋” 奋。
）7.“哇，‘The person for whom I did a favor is very grateful.’有次我帮那个人，就像做了一件好事。
介词加关系代词(定语从句)
Point 2: 介词的选用
考虑三个因素: “一先,二动,三意义” 1. 根据定语从句中先行词的搭配习惯确定
I never forget the days during which I studied hard.
关系副词 where
This is the house in which / where he used to live.
This is the house (which/that ) he used to live in.
I know of a place in which / where we can swim.
I have lots of friends, some/none of w__h_o_m_are friendly.
I have lots of friends, and some of t_h_e_m_are friendly.
I have lots of friends. Some of t_h_e_m_are friendly.
注意
逗号不可以连接两个句子 不定代词/数词/名词+ 介词+which /whom + 从句 She has three sons, all of whom joined the army. She has three sons, two of whom were engineers. I want a room, the window of which faces the south.
She is a girl w__it_h_w_h_o_m__you can share your sorrow and happiness.
介词+关系词引导的定语从句
介词+关系代词引导的定语从句【知识点1】直接位于介词之后的关系代词只能是which或whom，构成介词+which（指物）；介词+whom （指人）两种结构。
【例】The man to whom you talk just now is a famous runner.【例】The service about which the students complain a lot should be improved.【例】He is a library assistant from whom I borrowed some books.【例】It is a famous school from which he graduated 3 years ago.【例】The chair on which he is sitting now is made of wood.【知识点2】直接位于介词后面的关系代词不能省略，但如果将介词移于句子末尾而不位于关系代词之前时，可省。
【例】The man (who/that/whom) you talk to just now is a famous runner.【例】The service (which/that) the students complain about a lot should be improved.【例】He is a library assistant (whom/that/who) I borrowed some books from.【例】It is a famous school (which/that) he graduated from 3 years ago.【例】The chair (which/that) he is sitting on now is made of wood.【知识点3】关系副词when, where, why 可以相应地转化为：介词+which结构。
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“介词 + 关系代词”引导的定语从句“介词+关系代词”型定语从句五大考点“介词+关系代词”引导的定语从句是英语语法中的难点和重点, 近年来高考对这一语法结构的考查大有升温之势。
在介词后作宾语的关系代词只有which 和whom。
如先行词是物，引导词用which；如先行词是人，则引导词用whom。
如：This is the ship by which I went to Shanghai.This is the student for whom I bought the book.考点1 简单介词+关系代词知识归纳：用于此结构的关系代词指人时只能用whom, 指物时只能用which；介词选择的依据主要是根据从句中的动词、形容词、名词与介词的固定搭配而定；或者以先行词与从句中的动词关系及所表达的含义而定；或者以先行词在定语从句中的作用和含义而定，并且含有介词的短语动词不能拆开，介词仍然放在动词之后。
（1）根据定语从句中的谓语动词确定介词，其动词或介词搭配，构成动词短语。
例如：Is this the car for which you paid a high price? (pay for)In the dark street, there wasn’t a single person to whom she could turn for help. (turn to sb for help)The man with whom you shook hands just now is our English teacher. (shake hands with sb) （2）根据定语从句中的形容词确定介词，其形容词与介词搭配，构成形容词短语。
例如：The two things about which Karl Marx was not sure were the grammar and some of the idioms. (be sure about)The teacher of whom the students in our class are fond is Mr Wang, our English teacher. (be fond of)（3）根据定语从句所修饰的先行词确定介词，其先行词往往是表示时间、地点、原因、方法、工具等的词，它们与介词之间有一定的联系。
当“介词+关系代词”在定语从句中充当时间、地点、原因状语时，可分别用when, where, why 替换。
例如：I”ll never forget the day on which (=when) I joined the army.The factory in which (=where) his father works is far away from my hometown.I don”t know the reason for which (=why) he was late.（4）根据句子的意思确定介词。
有些句子，先行词完全一样，定语从句中谓语动词不是由固定的动词短语构成的，这时，要根据句子所要表达的意思，选用不同的介词。
例如：This is the pilot for whom I bought a camera.This is the pilot with whom my brother has worked for ten years.This is the pilot by whom my son was saved.1. (2004全国卷) The journey around the world took the old sailor nine months, _______ the sailing time was 226 days.A. of whichB. during whichC. from whichD. for which解析：关系代词which指代the journey, 定语从句恢复为独立的句子是：The sailing time of the journey was 226 days.故答案选A。
2. (2004全国卷) The English play _______ my students acted at the New Year's party was a great success.A. for whichB. at whichC. in whichD. on which解析：本句主句部分应是The English play at the New Year's party was a great success.从句补全为独立的句子是:My students acted in the play. 故答案选C。
3. (2004上海卷) American women usually identify their best friend as someone _______ they can talk frequently.A. whoB. asC. about whichD. with whom解析：先行词为someone,被关系代词whom代替在从句中作talk with 的宾语，介词with可以放在关系代词之前，identify...as...意为“把……当作……”，故答案选D。
考点2 复杂介词+关系代词知识归纳：用于此结构的关系代词有which, whom, whose。
常用于该结构的复杂介词有：as a result of, at the back of, because of, by means of, for want of, in front of, in case of, on account of等。
例如：We got to a house at the back of which was a large garden.Is there a certain test by means of which the No. 1 will be decided?考点3 简单介词+关系代词+名词知识归纳：用于此结构的关系代词有which, whose。
介词的选择取决于关系代词后的名词及整个句子的含义。
高考考例：(1995上海) In the office, I never seem to have time until after 5:30 p.m. _______ time many people have gone home.A. whoseB. thatC. on whichD. by which解析：介词by表示时间的意思是“到那时为止”。
这句话的意思是“在办公室里，我似乎直到下午5：30才有空，那时许多人都已经回家了”。
故答案选D。
考点4 the+ 名词+of+关系代词知识归纳：用于此结构的关系代词只有which。
该结构表示所有关系, 口语中常用“whose + 名词”代替。
非正式文体中可以用“of which the +名词”。
高考考例：(2000上海) Recently I bought an ancient Chinese vase, _______ was very reasonable.A. which priceB. the price of whichC. its priceD. the price of whose解析：答案选B。
本题就是一个考查the+ 名词+of+关系代词结构的一个典型例子。
这里the price of which指代the price of the vase, 答案也可以是whose price。
考点5 表示部分的词语＋of＋关系代词知识归纳：此时，指人的关系代词只能是whom, 指物的关系代词只能是which。
表示部分的词语常见的有：不定代词all, both, none, neither, either, some, any, 数词(含基数词，序数词，分数和百分数)；数词+名词；the+最高级/比较级，以及表示数目或数量的词语many, most, few, several, enough, half a, a quarter。
高考考例：1. (2004湖北卷) There are two buildings, ________ stands nearly a hundred feet high.A. the largerB. the larger of themC. the larger one thatD. the larger of which解析：答案为D。
the larger of which指代the larger of the two buildings; B选项缺少一个连词。
2. (2004辽宁卷) The factory produces half a million pairs of shoes every year, 80% _______ are sold abroad.A. of whichB. which ofC. of themD. of that解析：答案为A。
80% of which指代的是80% of the shoes。
本题意为：这家工厂每年生产的50万双鞋子有80%都是销往国外的。
“介词关系代词”引导的定语从句常见错误我们在学习定语从句时,常常会看到"介词+关系代词"引导的定语从句,即把从句中的某一介词或介词短语提到关系代词前.使用这类定语从句时,常常会出现五类错误.现在归纳如下：一、关系词的误用1. The person to who you should write is Mr Hall. (whom)2. I lost the book in that there are five color pictures. (which)3. The day on when we can send men into space has at last come. (which)4. He went back to the house in where he was born twenty years ago. (which)简析:当介词位于从句的句首时,介词后一般用关系代词whom(指人,如1不可为who所代替)或which(指物,如 2.先行词即使为表示时间或地点的名词,介词后也不能用when或where,如3和4).不过,注意介词from有时根据句意的需要,也可以接where.如: He hid himself behind the door, from where he saw the man take a photo of something on the desk.他躲在门后面,从那里他看见那个人拍摄了桌子上的什么东西一下.(指from behind the door"从门后面",并非指from the door"从门")二、拆开从句中极固定的动词搭配5. He was the boy after whom the woman had looked for many years. (whom the woman had looked after for many years)简析:若将定语从句中搭配极为固定的短语中的介词提前,其中的短语可能会失去它们本身的意义或可能使句子产生歧义,如look after, look for, depend on, go in for (迷恋)等短语.三、介词与定语从句所修饰的先行词搭配不当6. The farm in which we worked ten years ago isn't what it used to be. (on)7. She wanted to find the way with which she could make everyone live more happily. (in)简析:6. on the farm为习惯搭配,表示"在农场";7. in与way搭配,表示"用……办法,以……方式".四、介词与定语从句中的谓语部分搭配不当8. In the dark street, there wasn't a single person from whom she could turn for help. (to)9. This is the tree in which the boat was tied. (to)10. Can you find an object with which your toy is similar? (to)简析:8. turn to sb. for help表示"向某人求助";9. tie与to连用,表示"拴/系到……上";10. similar与to搭配,表示"与……相似".五、介词与句子的具体含义搭配不当11. I can't remember the age in which I won that prize. (at)12. That is the age at which people live in peace and happy. (in)简析:根据全句意义,11中的age作"年岁"解,应与at搭配;12中的age表示"时期,时代",应与in搭配.练习：用适当的“介词+关系代词”填空。