1、高中定语从句重难点系统讲解（一）定义及相关术语 1．定语从句：修饰某一名词或代词的从句叫定语从句。定语从句一般紧跟在它所修饰的先行词之后。 2．先行词：被定语从句修饰的词叫先行词。 3．关系词：引导定语从句的词叫关系词。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when, where, why等。 关系词通常有下列三个作用： A、引导定语从句；B、代替先行词；C、在定语从句中担当一个成分。例如： The man who is shaking hands with my father
2、 is a policeman.该句中who is shaking hands with my father 是定语从句，修饰先行词the man， “who”是引导定语从句的关系词，代替先行词the man，在定语从句中作主语。 （二）关系代词引导的定语从句 1.who 指人，在定语从句中作主语。 The boys who are playing football are from Class One. 正在踢足球的男孩是一班的。Those who want to go to the museum must be at the school gate at 7 tom
3、orrow morning. Yesterday I helped an old man who had lost his way. 昨天我帮助了一位迷路的老人。That is the teacher who teaches us physics. 那就是教我们物理的老师。2.whom 指人，在定语从句中做宾语，常可省略。Mr Liu is the person ( whom ) you talked about on the bus. The professor ( whom ) you are waiting for has
4、come. 你正在等的教授已经来了。The girl ( whom ) the teacher often praises is our monitor. 老师常表扬的那个女孩是我们班长。注意：关系代词whom 在口语或非正式文体中常可用who 来代替，也可省略。略。 The man ( whom / who )you met just now is my old friend. 3.Which 指物，在定语从句中做主语或宾语，做宾语时常可省略。Football is a game which is liked by most boys. 足球是大多数男孩所喜欢的运
5、动。He likes to read books which are written by foreign writers. 他喜欢外国作家写的书。This is the pen ( which ) he bought yesterday. 这是他昨天买的钢笔。The film ( which ) they went to see last night was not interesting at all. 1.That 指人时，相当于who 或whom；指物时，相当于which.。在定语从句中作主语或宾语，作宾语时常可省略。The number of people th
6、at / who come to visit this city each year reaches one million. Where is the man that / whom I saw this morning? 我今天早上看到的那个人在哪儿？The person that /whom you introduced to me is very kind. 你介绍给我的那个人很友好。The season that / which comes after spring is summer. 春天以后的季节是夏季。2.Whose 通常指人，也可指物，在定语从
7、句中做定语。I visited a scientist whose name is known all over the country. He has a friend whose father is a doctor. 他有一个爸爸当医生的朋友。I once lived in the house whose roof has fallen in. 注意：指物时，常用下列结构来代替： The classroom whose door is broken w
