1、介词介词+which/whom+which/whom引导的定语从句用于正式引导的定语从句用于正式场合。在这一结构中，关系代词场合。在这一结构中，关系代词which/whomwhich/whom做介词的宾语。做介词的宾语。当先行词是人时，用介词当先行词是人时，用介词+whom+whom引导定语从句，引导定语从句，例如：例如：They may start as a group of high-school students,for whom practising their music in someones house is the first step to fame.当先行词是物时，用介词当
2、先行词是物时，用介词+which+which引导定语从句，引导定语从句，而且只能加而且只能加whichwhich，不能加，不能加thatthat，例如：，例如：They produced a new record in 1996,with which they celebrated their former time as a real band.关系副词关系副词when,where,why 和和 介词介词+which之间的关系之间的关系 关系副词关系副词when,where,why可以用适当的可以用适当的介词介词+which来替代。来替代。如：如：when=in/on/at+which,wh
3、ere=in/on/at+which,why=for+which。介词的位置非常灵活，有时放在关系代词之前，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。有时放在动词之后。1.I wont forget the date when(on which)I was born.2.This is the room where(in which)I lived.=This is the room which I lived in.3.I dont know the reason why(for which)he havent come today.4.Tom still remember
4、s the days when(in which)they lived in Tianjin.注意注意:介词介词+which（指物（指物),不可省不可省 介词介词+whom（指人（指人),不可省不可省 介词后不用介词后不用whowho、thatthatThe cityThe city whichwhich she lives she lives inin is far away.is far away.The manThe man whomwhom you spoke you spoke toto is our headmaster.is our headmaster.The farm on
5、which we worked ten years ago is beautiful.This is the tree under which we used to play games.Hangzhou is the place where/to which I went last summer.I remember the day when/on which my father died.I was only ten years old at that time.1.介词的确定方法介词的确定方法The money with which you were to buy dog food is
6、 gone.He wont forget the day on which he failed in the exam.根据先行词来确定根据先行词来确定 We thought you were a person from whom we could expect good decisions.The West Lake,for which Hangzhou is famous,is a beautiful place.根据定语从句中的谓语动词或形容词确定根据定语从句中的谓语动词或形容词确定 Air,without which man cant live,is really important.
7、根据定语从句所表达的意义来确定根据定语从句所表达的意义来确定The pen with which he is writing now was bought yesterday.2.2.介词的位置介词的位置 一般情况下，介词放在关系代词一般情况下，介词放在关系代词whichwhich和和whom whom 之前，也可放在动词后。之前，也可放在动词后。固定搭配的动词短语中的介词一般不能提前固定搭配的动词短语中的介词一般不能提前.常见的这类动词短语有常见的这类动词短语有:look for/after/forward to、care for、take care of、hear of/about/fro
8、m,等等.This is the right place Im looking for.The girl whom he is looking after is his sister.介词介词关系代词引导的定语从句关系代词引导的定语从句,关关键是判断键是判断介词的选择介词的选择,方法一是看从句方法一是看从句谓语部分谓语部分缺少什么介词缺少什么介词(习惯搭配习惯搭配),),再再则可以通过整个句子整体含义来判断则可以通过整个句子整体含义来判断,结合生活实际来判断结合生活实际来判断.Tips1.Do you like the book on which she spent$10?2.Do you l
9、ike the book for which she paid$10?3.Do you like the book form which she learned a lot?4.Do you like the book about which she often talks?介词介词+关系代词的使用关系代词的使用5.The man to whom I spoke on the phone last night is very good at writing.6.Glasses,without which I cant see clearly,are really important for m
10、e.7.China is a beautiful country,of which we are proud.8.Do you remember the day on which you joined our club?The man _I shook hands just now is my daughters English teacher.A desert is a great plain _ nothing will grow.He was the man _room the thief had stolen the bag.This is my pair of glasses,_I
11、cannot see clearly.from whosewithout whichThis is the teacher whose daughter is a famous doctor.=This is the teacher the daughter of whom is a famous doctor.1.1.名词名词+介词介词+关系代词关系代词 We have three foreign teachers,two of whom are from Canada.2.2.数词数词+介词介词+关系代词关系代词(含基数词、序数词、含基数词、序数词、分数和百分数）分数和百分数）3.3.代词
12、代词+介词介词+关系代词（代词有关系代词（代词有allall、bothboth、-nonenone、neitherneither、eithereither、somesome、anyany等）等）The old woman has two sons,both of whom are teachers.4.4.形容词最高级形容词最高级+介词介词+关系代词关系代词 China has thousands of islands,the largest of which is Taiwan Island.5.5.介词介词+关系代词关系代词+名词名词 He spent four years in coll
13、ege,during which time he studied medicine.5.The girl _he spoke made no answer.6.The factory produces half a million pairs of shoes every year,80%_are sold abroad.7.They asked me a lot of questions,many _ I couldnt answer.8.Two men,_I had ever seen before,came into my office.我以我以前从未见过他们前从未见过他们9.He go
14、t his first salary，_ he gave to his parents.其中一半其中一半10.Our country has many islands,_is Taiwan.其中最大的其中最大的11.The journey around the world took the old sailor nine months,_ the sailing time was 226 days.介词加关系代词的基本用法The man _ you shook hands just now is our headmaster.The room _ my family live used to
15、be a garage.Did you find the pen _ I wrote just now?Did you find the paper _ I wrote my letter?Did you find the composition _ I wrote just now?with whomin whichwith whichon whichwhich The farm we worked ten years ago isnt what it used to be.He is the man you can turn for help.This is the tree we use
16、d to play games.on whichto whomunder whichon the farm 在农场在农场turn to sb.for help 向某人求助向某人求助under the tree 在树下在树下n The sun gives us heat and light,_ we cant live.n The student _ we were talking just now is the best student in our class.n Ill never forget the day _ she said goodbye to me.n Who can give
17、 me the reason _ he hasnt turned up yet?without whichabout whomon whichfor which1.The teacher_ _ I learnt most was Mrs Zhu.2.This is the house_ _ LuXun once lived.The reason _ _ I came here is that I want to get your help.4.The fellow _ _ I spoke made no answer.5.The West Lake,_ _ Hangzhou is famous
18、,is a beautiful place.from whom in whichfor which to whomfor which1.Do you know who lives in the building _ there is a well?A.in front of it B.in front of whose C.in front of which D.in front which2.Ill never forget the day_I joined the League.A.on which B.in which C.which D.at which3.The woman_my b
19、rother spoke just now is my teacher.A.who B.to whom C.to who D whomCAB4.Jeanne was her old friend,_she borrowed a necklace.A.from who B.from whom C.to that D.to whom5.His glasses,_he was like a blind man,fell to the ground and broke its leg.A.which B.with which C.without which D.that6.she is a teach
20、er of much knowledge,_much can be learned.A.who B.that C.from which D.from whomBCD7.He built a telescope_he could study the skies.A.in which B.with that C.through which D.by it8.Do you know the reason_he was late?A.that B.which C.for what D.for which9.I have bought two ballpens,_writes well.A.none o
21、f which B.neither of which C.none of them D.neither of themCDB10.The Second World War_millions of people were killed in 1945.A.during which B.in that C.where D.on which11.China has many rivers,_the Changjiang River is the longest.A.which B.in which C.among which D.one of which12.This is the very kni
22、fe_I used to cut apples yesterday.A.that B.by which C.which D.with whichACD13.The speed_which you drive your car mustnt too high.14.In the park there are many flowers,the colour _ which is bright and nice.15.The little girl is reading a book,_which there are many pictures.16.What were the things_which he was not too sure?17.They held a meeting,_which the hospital director made a speech.18.The book,_which he paid 6 yuan,is worth reading.atofinaboutatfor24 结束语结束语
