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介词+关系词怎么用？介词加关系词分别等于什么？答：一、“介词＋关系代词”的用法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。
如果指“人”，用“介词＋whom”；如果指“物”，用“介词＋which”。
例如：Do you know the lady with whom our manager is talking in the office?Where is the supermarket in which you bought the laptop last week?●使用“介词＋关系代词”要注意以下几点：(一)选用介词的依据：(1) 根据定语从句中谓语动词的搭配习惯(即固定短语)。
例如：Yesterday we visited the West Lake for which Hangzhou is famous.(2) 根据先行词的搭配习惯(约定俗成，不一定是短语)。
例如：The old woman with whom you talked just now is a famous artist.(3) 根据句子的意思来选择。
例如：The naughty boy made a hole in the wall through which he could see what is happening outside.(4) 表示“所有”关系或“整体中的一部分”时，通常用介词of。
例如：I have about 20 books, half of which were written by Bing Xin, the famous writer.(二)在定语从句中，含介词的短语动词不可拆开使用(短语拆开后含义发生变化)，如look after, look for等。
例如：The babies whom the nurses are looking after are very healthy.(正)The babies after whom the nurses are looking are very healthy.(误)(三)“of which / whom”有时可以用“whose＋名词”结构来改写。
“介词+关系词”的用法1、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whom.如:The school （that/which) he once studied in is very famous.→The school in which he once studied is very famous。
Tomorrow I will bring here a magazine （that/which）you asked for.→Tomorrow I will bring here a magazine for which you asked。
We’ll go to hear the famous singer (whom/that/who）we have often talked about。
→We’ll go to hear the famous singer about whom we have often talked.2、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。
介词的位置非常灵活，有时放在关系代词之前，有时放在动词之后。
如：when=in/on/at…+which, where=in/on/at…+which， why=for+which 如:I won’t forget the date when( on which）I was born.This is the room where （in which) I lived. = This is the room which I lived in.I don’t know the reason why （for which) he hasn’t come today.Tom still remembers the days when （in which）they lived in Tianjin。
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。
）。
“介词+ which / whom”引导的定语从句1,“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。
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。
3. 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.(3) The classroom whose door is broken will soon be repaired.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。
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。
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。
e.g.Thisistheteacherfromwhomwe’velearnedalot.这就是从他那里我们学了很多东西的老师。
5．引导定语从句的关系副词(when,where,why)可以用“介词+关系代词”代替。
e.g.I’llneverforgetthedaywhenIjoinedtheparty.(when=onwhich).我永远都不会忘记入党的日子。
Thefactorywheremyfatherworksisintheeastofthecity.(where=inwhich).父亲工作的那家工厂在城东。
来源：网络转载
NoneofusknowthereasonwhyTomwasabsentfromthemeeting.(why=forwhich).我们都不知道汤姆缺席会议的原因。
6．“复合介词短语+which”引导的定语从句，常与先行词用逗号隔开，而且定语从句常用倒装语序。
e.g.Helivedinabighouse,infrontofwhichstoodabigtalltree.他住在一幢大房子里，房前有一棵大树。
来源：网络转载。
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。
介词加关系代词例句在介词加关系代词的语法规则中，常见的有以下几种情况。
1. 在定语从句中，介词加关系代词可以表示时间、地点、原因或目的等。
例如：I still remember the day on which we met for the first time.（我仍然记得我们第一次见面的那一天。
）The house in which he lives is very big.（他住的房子很大。
）That is the reason why he refused to help us.（那就是他拒绝帮助我们的原因。
）We need to find a way by which we can solve this problem.（我们需要找到一种方法来解决这个问题。
）2. 在介词宾语从句中，介词加关系代词可以表示原因、结果或条件等。
例如：He is confident of the fact that he will pass the exam.（他相信他会通过考试这个事实。
）I am worried about the possibility that he might not come.（我担心他可能不会来的可能性。
）She is happy with the news that she got the promotion.（她对她得到晋升的消息感到高兴。
）3. 在介词短语中，介词加关系代词可表示修饰名词的关系，常用于介词+which结构。
例如：I'm interested in the book with which you're studying.（我对你正在学习的那本书很感兴趣。
）The game about which they are talking is very exciting.（他们正在谈论的游戏非常令人兴奋。
）4. 在介词对等结构中，介词加关系代词可以构成介词对等从句。
定语从句之介词加关系代词1.“介词+which”在定语从句中作时间､地点､原因状语，相当于关系副词。
如:(1)This is the reason for which(=____) he left the company.这就是他离开公司的原因。
(2)He will never forget the day on which (=_____) he went there.他永远忘不了去那儿的那一天。
(3)Is this company the one in which (=______) you worked half a year ago?这就是半年前你在那儿工作的公司吗?2.“介词+which/whom”在定语从句中作_____､_____状语。
如:(1)Can you tell me for whom you are working?你能告诉我你现在为谁工作吗?(2) The train by which he is travelling is arriving.他乘坐的那辆火车就要到了。
3.“不定代词､数词或名词+of which/whom”在定语从句中充当______。
如:(1)There are sixty students in our class，all of whom are working hard.班上有60 名学生，他们都在努力学习。
(2)He paid the boy 10 yuan for cleaning the windows, most of which hadn’t been cleaned f or at least a year.他给了那个男孩十元钱擦那些至少一年未擦的窗户。
4.“形容词最高级+介词+关系代词”在定语从句中充当______。
如:(1)There are sixty students in the class,the tallest of whom is Li Ming.班上有六十名学生，其中最高的是李明。
介词＋关系代词”引导定语从句是我们学习定语从句的重点，也是高考的常考点。
学习这种从句应注意以下几点：1. 用于这种情况的关系代词一般为which（指物）和whom（指人）。
在这种结构中，介词的选择非常关键，可以遵循以下四个原则：（1）根据定语从句中的谓语动词确定介词，其动词与介词搭配，构成动词短语。
例如：Is this the car for which you paid a high price? （pay for）这是你花大价钱买的车吗？I n the dark street, there wasn’t a single person to whom she could turn for help. （turn to sb. for help）在黑暗的街上，她找不到一个人来帮助她。
The man with whom you shook hands just now is our English teacher. （shake hands with sb. ）刚才你和他握手的那个人是我们的英语老师。
（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）马克思没有把握的两件事是：语法和习惯用法。
The teacher with whom the students in our class are popular is Mr Wang, our English teacher. （be popular with）在我们班，深受学生欢迎的是王老师－－我们的英语老师。
（3）根据定语从句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。
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+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。
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，是英语中一种用来修饰名词或代词的从句结构。
它由一个介词和一个关系代词组成，常常出现在句子中作为修饰成分，起到限定或说明的作用。
本文将从介词和关系代词的角度入手，详细讨论介词加关系代词引导的定语从句的构成、用法及注意事项。
一、构成介词加关系代词引导的定语从句由介词和关系代词两部分组成。
常用的介词包括of、in、on、from、to、with等，而关系代词则包括that、which、who、whom和whose等。
二、用法及例句解析1. 介词+which引导的定语从句介词+which引导的定语从句是最常见的一种结构，用于修饰物体。
其中最常用的介词是in、on、at、under、with等。
例句1：The book on which I was working last night is about history. （介词on+which修饰book）例句2：I saw a stray cat under the table, which looked hungry. （介词under+which修饰cat）2. 介词+whom引导的定语从句介词+whom引导的定语从句用于修饰人，常用介词有to、for、with、of等。
例句1：The person to whom I lent my umbrella hasn't returned it yet. （介词to+whom修饰person）例句2：He is a trustworthy friend, with whom I can share my secrets. （介词with+whom修饰friend）3. 介词+whose引导的定语从句介词+whose引导的定语从句用于表示所属关系，常用介词有of、in、on等。
例句1：The girl whose father is a doctor wants to be a nurse. （介词whose+father修饰girl）例句2：I admire the professor, in whose class I learned a lot. （介词in+whose修饰professor）三、注意事项1. 关系代词that与which的区别关系代词that与which都可以用于引导定语从句。
