定语从句中介词+关系词

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定语从句 知识讲解 “介词+关系代词”的用法

定语从句 知识讲解 “介词+关系代词”的用法

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。

定语从句中介词+关系词

定语从句中介词+关系词

“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。

介词+关系词引导的定语从句

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+关系代词

定语从句中 介词+关系代词

定语从句中介词+关系代词对于“介词+关系代词”结构的使用,重点是要弄清其中的介词如何确定和判断。

归纳起来,有以下几点方法:1. 根据与定语从句中动词的搭配来确定介词。

如:Water is the natural medium in which fish live. 水是鱼类赖以生存的自然环境。

(注意搭配live in) The documents for which they were searching have been recovered. 他们找寻的文件已经找到了。

(注意搭配search for) This is a subject about which we might argue for a long while. 这是一个我们可能长时间争论的问题。

(注意搭配argue about) 注意,对于那些由动词与介词构成的短语动词,通常不宜将它们拆开使用,此时应注意介词的位置应。

如:The boy (whom) my sister is l ooking after is getting better. 不能说成:The boy after whom my sister is looking is getting better.2. 根据与定语从句中形容词的搭配来确定介词。

如:Physics is t he subject in our school in which every student is interested. 历史是我们学校每个学生都很感兴趣的课程。

(注意搭配be interested in)He referred me to some reference books with which I am not v ery familiar. 他我要去参考一些我不熟悉的参考书。

(注意搭配be familiar with)3. 根据与先行词的搭配来确定介词。

如:This is our classroom,in the front of which there is a teacher’s desk. 这是我们的教室,前面有老师的讲台。

定语从句 介词加关系词

定语从句 介词加关系词

“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。

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

介词加关系代词例句

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。

定语从句介词加关系词

定语从句介词加关系词
Air, without which man can’t live, is really important.
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)

定语从句之介词加关系代词

定语从句之介词加关系代词

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。

定语从句“介词+关系代词+不定式”用法-初中英语语法

定语从句“介词+关系代词+不定式”用法-初中英语语法

定语从句“介词+关系代词+不定式”用法-初中英语语法一、用法实例“介词+关系代词+不定式”的表现形式通常为 in which to do sth, with which to do sth, on which to do sth等,其中的介词视具体语境的搭配而定。

如:She must have time in which to grow calm. 她需要有时间冷静下来。

She had no time left in which to pack her things. 她没有时间收拾行李了。

He had only the long nights in which to study. 他只有漫漫长夜可用来学习。

Allow me one minute in which to change my costumes. 给我一点时间来卸装。

Now he had no pretext on which to prolong his stay. 现在他已没有继续留下去借口。

He had a couple of revolvers with which to defend himself. 他只有一两把手枪用来自卫。

She had some money in the bank, with which to help her mother. 她银行里有些钱用来协助她的母亲。

The boy wants another fifty cents with which to buy some ice cream. 这男孩还要五角钱去买冰淇淋。

It was a marvelous place to begin one’s management career. First of all, there were so many different aspects oftransport on which to try my hand. 这是开始一个人的经营管理生涯的好地方。

定语从句中介词+关系词的用法

定语从句中介词+关系词的用法

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。

介词加关系代词的三种情况

介词加关系代词的三种情况

介词加关系代词的三种情况
1. 介词加which:介词+which引导的定语从句,修饰前面的名
词或代词,引出被修饰成分的相关内容。

例如:The book, with
which I'm familiar, is very good. 我熟悉的那本书很好。

2. 介词加whom:介词+whom引导的定语从句,修饰前面某个人,用来阐述行为、品质等特征。

例如:The girl, with whom I studied yesterday, is very smart. 我昨天学习的那个女孩非常聪明。

3. 介词加whose:介词+whose引导的定语从句,修饰一些人或
物所拥有的东西,提出关于他们的信息。

例如:The woman, whose name I can't remember, is a teacher. 我记不起来那个女人的名字,但她是一位老师。

定语从句中“介词+关系代词”考点突破

定语从句中“介词+关系代词”考点突破

“介词+关系代词”引导的定语从句是定语从句中较复杂的一种,这类定语从句的关系代词主要有w hich,w ho m,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。

它不仅是高考语法学习中一个重点,也是一个难点,学生在这一点上错误相当多,原因是因为学生们对“介词+关系代词”的用法没有全面掌握。

下面就谈谈“介词+关系代词”引导定语从句时介词或关系代词的选择。

1.引导定语从句时,that和w ho不能用于介词之后,能用于“介词+关系代词”引导定语从句的代词只有w hich和w hom。

考查“介词+关系代词”引导的定语从句,关系代词前该选用什么样的介词,要根据不同的语境、词组搭配、习语、惯用法等来决定,归纳起来介词的选择主要依据如下几点:①介词与定语从句的先行词是一种习惯性搭配。

例如:The farm on which I once w orked has taken on a new look.(on the farm)In his room,we saw a big table o n which there were all kinds of books.(on the table) Yesterday we had a meeting at which w e discussed many pro blems.(at the meeting) (2007重庆)Human facial expressions differ f rom tho se animals in the degree to w hich they can be controlled on purpo se.(to a deg ree)(1992全国)In the dark street there w asn’t a single person to w ho m she co uld turn for help.(turn to sb.fo r help)(2001上海春招)The gentleman about w ho m y ou told me yesterday prov ed to be a thief.(tell sb.abo ut sb./sth.)M any people w ho had seen the f ilm w ere af raid to g o to the forest when they remem-bered the scenes in w hich people w ere eaten by the tiger.(in the scene)(2004全国)T he English play in which my students acted at the New Year’s party w as a great success.(in the play)(2005江西)T he schoo ls themselv es ad-mit that no t all children will be successful in the jobs f or w hich they are being trained.(be trained for the job)②介词与从句中动词是一种习惯性搭配。

介词加关系代词(定语从句)

介词加关系代词(定语从句)
• They were at the point where/at which they had to decide what to de next.
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.

定语从句之介词加关系代词

定语从句之介词加关系代词

17. I have many friends ,some_____ are businessmen. A. of them B. from which C. who of D. of whom
D 18. My aunt,_______life was hard, earned little money. A. for whose B. for which C. for who D. for whom
15.His parents wouldn’t let him marry A anyone______family was poor. A. of whom the B. whom C. of whose D.the 16. Frank’s dream was to have his own B shop______to produce the works of his own hands. A. that B. in which C. by which D. how
4. 介词+which (指物),whom (指人), 作分句中的目的、 方式、地点状语等。这种结构中的介词一般为动词所支 配。 1)Could you tell me the man for whom you have bought this coat? 2) He built a transparent wall through which he could observe what went on inside. 3) The man , from whom I learned the news ,is an engineer. 5. 介词 by +which (指物),whom (指人), 在被动结构中 表明动作的发出者. 1)The wolf by which the sheep was killed was shot. 2) The man by whom the wolf was shot is a good hunter.

定语从句中关系词的选择和关系词在从句中的作用

定语从句中关系词的选择和关系词在从句中的作用

定语从句中关系词的选择和关系词在从句中的作用定语从句是英语中非常常见且重要的句子结构,它主要用来修饰名词或代词,并为我们提供更多的信息。

在定语从句中,关系词的选择和关系词在从句中的作用是非常关键的。

本文将从这两个方面进行探讨。

关系词在定语从句中充当连接词的角色,将主句与从句连接起来。

常见的关系词有that、which、who、whom、whose等。

那么如何选择适当的关系词呢?一、人称关系词的选择1. 当先行词是人(指代人)时,关系词用who或whom。

who用于作主语,whom用于作宾语或介词后的宾格。

例如:- The girl who is standing over there is my sister.- The man whom I met at the party is a famous actor.2. 当先行词是人而且在从句中作介词的宾语时,关系词用whom。

例如:- The woman for whom the party was held is my aunt.3. 当先行词是人而且在从句中作同位语时,关系词用who。

- My best friend, who is a doctor, is very busy.二、非人称关系词的选择1. 当先行词是物时,关系词可用that、which或者省略。

- 当先行词是物且在从句中作主语或宾语时,关系词可用that或which。

- 当先行词是物且在从句中作介词的宾语时,关系词用which。

例如:- The book that/which you recommended is very interesting.- The pen which I borrowed from you is on the desk.2. 当从句中有表示所有关系的成分时,关系词用whose。

无论先行词是人还是物,都可用whose来表示所属关系。

例如:- The teacher whose car was stolen reported it to the police.关系词在定语从句中的作用是引导和连接从句,同时在从句中充当着某个成分的角色。

定语从句 第三讲 介词+关系代词的用法

定语从句 第三讲 介词+关系代词的用法

3.“whose + 名词”引导的定语从句可以用 “of which/ of 3.“whose + 名词”引导的定语从句可以用 “of which/ of whom” 来替代whose。例如: whom” 来替代whose。例如: A huge amount of oil spilled, whose effects are still being felt. = A huge amount of oil spilled, the effects of which are being felt. = A huge amount of oil spilled, of which the effects are being felt.
典题直击
1. The man pulled out a gold watch, _______ were made of D small diamonds.(08陕西) A. the hands of whom C. which the hands of
典题直击
2. She showed the visitors around the museum, the construction
_____had taken more than three years. (2011江西卷) C
A. for which
C. of which
能力突破
C 1. Wind power is an ancient source of energy ____ we may return in the near future. (2010上海)
C. all of them
典题直击
C 2. Maria has written two novels, both of ____ have been made into television series. (2012山东)

解读“介词+关系词” 引导定语从句中的介词

解读“介词+关系词” 引导定语从句中的介词

“介词+关系词”引导定语从句中的介词(作者独撰)在“介词+ 关系词” 引导定语从句中,关系词主要有which, whom, whose,when,where,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。

应如何确定介词呢?为帮助同学们透彻掌握这一重要的语法现象,本文从八个方面进行了解读,希望对同学们学习这一语法现象有所启发。

一、介词与从句的先行词是习惯搭配当定从的先行词为时间或地点名词(该名词在主句中可充当主语、宾语、补足语、表语或者同位语等)时,应根据定语从句所修饰的名词前习惯搭配的介词来确定关系代词前所选的介词,此时的“介词+ which”代替when/where在从句中做地点或时间状语,该定语从句可以是限制性定从或非限制性定从。

最常见的表示时间的介词有:in, at, on, during, since, by, before, after, until等。

例如:1. This is the house which I lived two years ago.2. Do you remember the day which you joined our club?解析:两题答案分别为in,on;第1小题中先行词house常与in搭配构成介词短语in the house 且在从句中属地点状语,故用in which(=where)引导定语从句,翻译为:这是两年前我住过的房子;第2小题中先行词the day常与on搭配,构成介词短语on the day在从句中属时间状语,故用on which(=when)引导定语从句;译为:你记得你加入俱乐部的那一天吗?二、介词与从句的谓语动词是习惯搭配当定语从句的谓语是动词短语(动词+介词),且先行词在从句中做介词宾语时,该介词可以移到关系代词之前,构成“介词+which /whom”引导的定语从句;但在有些动词短语中,由于动词和介词的关系比较紧密,不能将介词与动词拆开,故不能将介词提到关系代词之前。

介词+关系词引导的定语从句

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 do n’t know the reason why (for which) he hasn’t come today.
Tom still remembers the days when (in which) they lived in Tianjin.
注意:
1). 含有介词的动词短语一般不拆开使用,如:look for, look after, take care of等
如:This is the watch which/that I am looking for. (√) This is the watch for which I am looking. (F)
2). 若介词放在关系代词前,关系代词指人时用whom,不可用who或者that;指物时用which,不能用that;关系代词是所有格时用whose
如:The man with whom you talked is my friend. (√) The man who/that you talked with is my friend. (F)
The plane in which we flew to Canada is very comfortable. (√)

The plane in that we flew in to Canada is very comfortable. (F)
3).“介词+关系代词”前可有some, any, none, both, all, neither, most, each, few等代词或者数词
如:He loved his parents deeply, both of whom are very kind to him.
In the basket there are quite many apples, some of which have gone bad.
There are forty students in our class in all, most of whom are from big cities.
4). 把握“介词+关系代词”结构中介词的选用
介词的选择与主句中先行词的搭配密切相关。

如:That”s the reason for which he was late for school. This is the book on which I spent 8 Yuan.
介词选择的三大规则:
1. 取决于从句中的谓语动词同介词的搭配。

(V+ pre.)
|
如:He is the man whom I talked with this morning.
2. 取决于先行词同介词的常规搭配。

四组常考的搭配:1)extent degree (程度)同to 搭配
2)price(具体多少钱时与at; 若指价格方面
与in 搭配) speed rate
同at搭配
3)field area aspect sphere (领域,方面)同in 搭配
例句:The field in which I studied in university is psychology.
4) basis ground foundation (基础)同on 搭配
英语四六级语法:被分隔的定语从句
定语从句一般紧接被它所修饰的先行词;但有时候它和先行词之间有可能插入其他成分,使它与先行词分隔开来,这种定语从句叫作被分隔的定语从句,在阅读文章时会经常遇到这种情况,在阅读是要注意识别先行词的修饰对象。

一般说来,定语从句被分割开来大致有以下三种:
①在先行词与定语从句之间插入一个状语。

There are many thousands of stars in the sky that are like the sun.
在太空中有成千上万的象太阳般的星星。

乍一看,that引导的定语从句在名词sky的后面,似乎应该是修饰sky的。

但仔细一想,不对啊,天空怎么能象太阳呢原来that引导的定语从句被in the sky这个地点状语分隔开来,修饰中心词stars。

②在先行词与定语从句之间插入一个定语。

如:Do you remember one afternoon ten years ago when I came to your house and borrowed a diamond necklace?
你还记得吗,十年前的一天下午,我来到你家,找你借了一条钻石项链?
when I came to your house and borrowed a diamond necklace实际上是修
饰afternoon而不是修饰years。

ten years ago 实际上是定语后置修饰afternoon。

③先行词与定语从句被谓语分隔开来。

此时,先行词通常是句子的主语,因定语从句较长,主句谓语较短,为使句子平衡,常将定语从句移至谓语之后
如:A new master will come tomorrow who will teach you German. 明天,新(男)老师将来教你德语。

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