定语从句在句子中有一个具有主谓结构完整的句子来充当定语,修

1、定语从句：在句子中有一个具有主谓结构完整的句子来充当定语，修饰前面的名词（短语）或代词。这个起修饰作用的从句在功能上相当于一个形容词，所以也可称定语从句为形容词从句。an interesting booka happy familyN+形容词句子Eg. The girl is my girlfriend. She is dancing with Tom.The girl who/that is dancing with Tom is my girlfriend.1) 先行词2) 关系词 a.代词作用 b.连接作用1先行词可以不只是一个词1) The woman is a famous danc

2、er. She lives next door. The woman who lives next door is a famous dancer. The woman who is a famous dancer lives next door.2)She likes climbing mountain. Climbing mountain is a good exercise. She likes climbing mountain which is a good exercise.3)He said that he had no time. That he had no time was

3、 not true.He said that he had no time , which was not true.4) He arrived an hour later. It annoyed his friend.He arrived an hour later, which annoyed his friend.That he arrived an hour later annoyed his friend.2正确找出先行词1) There is a very interesting remark in a book by a man who is a great American w

4、riter.There is a remark by a man.A man is a great 3) There is a very interesting remark in a book by an American writer that/which I read recently.There is a very interesting remark in a book by an American writer.I read a book recently.3关系词语法作用可用于限制性及非定从限制性定从人物其他人及物其他主语whowhichthat宾语Who/whomwhichTh

5、at或省略that所有关系whoseWhose/of which限定性状语when /wherewhyThe book is mine. The color of the book is red.The book the color of the book is red is mine.The book the color of which is red is mine.The book whose color is red is mine. Books Students who cheat on exam will poison the atmosphere of the college.T

6、he girl with whom you work is my sister.The girl whom you work with is my sister.You work with herThe girl is my sister.What的用法1 之前不能有先行词what包括一个关系代词及其先行词。所以what前面不能再有先行词的出现。a. You can have everything that you like.You can have what you like.You can have everything.You like everything.b. All _ is a

7、continuous supply of the basic necessities of life.a) what is needed b)the things neededc) for our needs d) that is needed What is needed is a .2 单独使用作关系代词，可表示物，也可表示人a. She is not what she used to be. ( She is not the girl that she used to be.)b. Show me what you have written. ( show me the things t

8、hat you have written.)c. He is not what he was a few years ago. ( He is not the man that he was a few years ago.)3 what+名词=”所有的， 尽可能多的“a. will give you what help I can.b. What money I have has been given to you.= All the money that I havec. Lend me what reference books you have on the subject.=Lend

9、me all the reference books that you have on the subject.关系副词的用法When, where, why,分别作时间状语，地点状语和原因状语。它们又可用相应的介词+which来替换a. I will never forget the day when I met you.I will never forget the day.I met you on that day.b. March 10, 1876 was the day when the first complete sentence was sent over a telephon

10、e.c. The day may soon come when we dont bother to go to office but just work at home.d. I will never forget the time which I spent on campus.I will never forget the time.I spent the time on campus.e. The hours _ the children spend in their one-way relationship with television people undoubtedly affe

11、ct their relationships with real-life people.a) when b) on which c)that d) in whichf. Do you know any place where I can buy Clint grammar book?Do you know any place?I can buy Clints grammar book from this place.g. This is the restaurant where I often have my breakfast. This is the restaurant. I often have my breakfast in the restaurant.h. Ive never been to Beijing, but its the place_.a) where Id like to visitb) in which Id like to visitc) I most want to visitd) that I want to visit it mostIt is the p