关系副词引导的定语从句

　　1．关系副词也可以引导定语从句
 

　　关系副词在从句中分别表示时间．地点或原因。关系副词when在从句中充当时间状语，where 充当地点状语，why充当原因状语。
 

　　2. that可引导定语从句表示时间．地点或原因
 

　　That有时可以代替关系副词 when, where 或者why引导定语从句表示时间．地点或原因，在 that引导的这种定语从句中，that也可以省去。




　　关系代词引导的定语从句
 

　　1.who指人，在从句中做主语
 

　　(1)The boys who are playing football are from Class One.
 

　　(2)Yesterday I helped an old man who lost his way.
 

　　2. whom指人，在定语从句中充当宾语，常可省略。
 

　　(1) Mr. Liu is the person (whom) you talked about.
 

　　注意：关系代词whom在口语和非正式语体中常用who代替，可省略。
 

　　(3) The man who/whom you met just now is my friend.
 

　　3. which指物，在定语从句中做主语或者宾语，做宾语时可省略
 

　　(1) Football is a game which is liked by most boys. ( which 在句子中做主语)
 

　　(2) This is the pen (which) he bought yesterday. ( which 在句子中做宾语)
 

　　4. that指人时，相当于who或者whom；指物时，相当于which。
 

　　在宾语从句中做主语或者宾语，做宾语时可省略。
 

　　(5) The people that/who come to visit the city are all here. (在句子中做主语)
 

　　(6) Where is the man that/whom I saw this morning? (在句子中做宾语)
 

　　5. 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 lived in a house whose roof has fallen in.
 

　　whose指物时，常用以下结构来代替
 

　　(3)The classroom whose door is broken will soon be repaired.
 

　　=The classroom the door of which is broken will soon be repaired.
 

　　(5)Do you like the book whose color is yellow?
 

　　=Do you like the book the color of which is yellow?