定语从句讲解和练习一、概念: He is the boy who often goes to school late. 先行词 关系词 定语从句二、原则： a.定语从句必须紧紧地跟在先行词后面，限制修饰先行词。 b.定语从句必须用关系词来引导。 c.关系词在定语从句中作一个句子成分.三、扩大. She is the old woman whom I saw this morning. Mary is the girl whose parents work in Japan. Is this the key which you are looking for? October 1, 1949 is the day when New China was founded. This is the house where the great man was born. I dont know the reason why she looks unhappy today.四、下列定语从句只能用that来引导： 1.先行词为形容词最高级所修饰 This is the longest bridge that I have ever seen. 2.先行词为序数词所修饰I happened to be the thousandth guest that visited the great hotel.This is the first composition that he has ever written in English. 3.先行词既包括人又包括物They talked of things and persons that happened in the school.He talked about the teachers and schools that he had visited. 4.主句是who或which开头的特殊疑问句中的定语从句 Who is the man that came this morning? Which is the bag that you lost? 5.先行词为the only, the very, the last, the same所修饰的定语从句 He is the very person that the police are looking for. This is the only thing that I can remember. 6.先行词是everything, nothing, something, all, little, much, everybody等不定代词 Tell us everything that you know, please. Is there anything that you dont understand? 7.先行词被all, every, no, some, any, little, much修饰时All that glitters is not gold.Ive read all the books that you gave me.五、“介词+ 关系词” 及关系副词when, where, why1). The box is full of bottles. He is standing on the box. - The box on which he is standing is full of bottles.The box where he is standing is full of bottles.2). This is the train. We work on the train.-This is the train on which we work.This is the train where we work.3). I know the reason. She did it for the reason.-I know the reason for which she did it.I know the reason why she did it.4). The man is our school master. You shook hands with the man just now. - The man with whom you shook hands is our schoolmaster.5). The pen is made in Shanghai. She is writing with the pen. - The pen with which she is writing is made in Shanghai. 不能拆开的词组： look for / look after / catch hold of /take care of / put on / take off.定语从句练习1、The knife we used to cut the bread is very sharp.AwhichBwithCwith itDwith which2、The brave man, the tiger was shot, is a good hunter.Aof whomBby thatCby whomDby which3、The clever boy made a hole in the wall, he could see what it was going on inside the house.Aon whichBat whichCthrough whichDin which4、The beautiful dress Miss Jones went to the ball was borrowed from a friend of hers.Ain whichBworn byCthrough whichDon which5、During the days , he worked as a servant at the Browns.Athat followedBto followCfollowingDfollowed6、You may take anything useful .Awhich you wantByou want themCwhat you wantDyou want7、My hometown is no longer the same it used to be.Alike BthatCasDwhich8、The old woman has two sons, one is a teacher.Aof whoBof whomCof whichDof them9、You can take any seat is free.Ain which BthatCwhereDwhich10、Is there anything to you?Athat belongBwhich belongsCthat belongsDthat is belonged11、We hope to get such a tool he is using.AwhereBthatCasDwhich12、Finally came the day he had to begin his study for the next term.AtillBthatCsinceDwhich13、She hasnt got enough money she buys the rings.Afor whichBwith whichCthatDwhich14、Ive read all the books were borrowed from the library.AtheyBwhichC/Dthat15、This is the best hotel in the city I know.AitBwhereCthatDwhich16、Is oxygen the only gas helps fire burn?AitBwhichC/Dthat17、The Second World War millions of people were killed ended in 1945.Aon whichBwhereCin thatDduring which18、The train she was traveling was lateAon thatBfor whichCon whichDwhich19、Winter is the time of year the days are short and nights are long.Aon whichBthatCwhenDwhere20、Ill show you a store you may buy all you need.Athat, thatBwhich, thatCwhere, whichDin which, /21、I still remember the day she first wore that pink dress.Aon whichBon thatCin which Dwhich22、Do you know the reason she got so angry yesterday ?AwhyBwhichCfor thatDfor why23、Is some German friends visited last week ?Athis school whereBthis school oneCthis the schoolDthis school24、Is there any one in your class family is in the city.AwhoseBwhichCwhosDwho25、Can you lend me the book the other day ?Awhich you talkedBthat y