内容正文:
定语从句(一)
定义:在句中起定语作用,修饰某一个名词或代词,或修饰整个主句的从句。被定语从句修饰的词叫先行词,定语从句通常跟在先行词之后,由“关系词”引出。
关系词:
1) 关系代词:which, that, who, whom, whose等
2) 关系副词:when, where, why等
关系词的作用:1)引导定语从句2)代替先行词 3)在定语从句中担当主语、宾语、定语和状语等成分。
分析:
The girl who is singing in the classroom is my sister. (在班里唱歌的那个)女孩是我妹妹。
(the girl是先行词,关系代词who引导定语从句,同时代替先行词在从句中做主语)
This is the room where Lu Xun once lived. 这是(鲁迅曾经住过的)房间。
(the room是先行词,关系副词where引导定语从句,并在从句中做地点状语)
I can never forget the day when I first saw you. 我永远不会忘记第一次见到你的那天。
(the day是先行词,关系副词when引导定语从句,并在从句中做时间状语)
1、 关系代词引导的定语从句
功能及用法:关系代词所代替的先行词是表示人或物的名词或代词,并在从句中起主语、宾语和定语的作用。关系代词在定语从句中做主语时,从句谓语动词的人称和数要和先行词保持一致。
(1) who, whom,that引导的定语从句
用法:who, whom代替的先行词是指人的名词或代词,who做主语,whom做宾语, that既可以指人又可以指物,既可以做主语又可以做宾语(做宾语时可以省略that)
例句:
Where is the girl who (that) was injured in the accident? 在事故中受伤的那个女孩在哪呢?
(who/that引导定语从句,并在从句中做主语,从句谓语动词用was, 和先行词the girl保持一致)
The boys who(that) are playing football are from Class One. 在操场上踢足球的男孩子们是一班的。
(who/that引导定语从句,并在从句中做主语,从句谓语动词用are, 和先行词the boys保持一致)
She is the girl whom(that) I saw yesterday. 她就是我昨天见到的那个女孩。
(whom/that在从句中做saw的宾语,that也可以省略)
造句练习:
1. 写这本书的人是一位著名的科学家。
2. 在树下坐着的那位女士是我的好朋友。The woman who/that is sitting under the tree is my good friend.
3. Tom是我见过的最聪明的男孩。
(2) which, that引导的定语从句
用法:它们所代替的先行词是指物的名词或代词,在从句中做主语或宾语,做宾语时关系词that可以省略。
例:He found the watch which(that) he had lost. 他找到了他丢失的那块表。
(which/that指代the watch, 做从句中lost的宾语)
The house which(that) was damaged in the fire will be rebuilt soon. 那座在大火中烧毁的房子不就将被修复。
(which/that指代the house, 做从句中的主语,谓语动词用was)
造句练习:
1. 我今天早上读的书在哪呢?
2. 他昨天告诉我的消息是真的。
3. 电脑游戏是被大多数男孩喜欢的事物。
(3) whose引导的定语从句
用法:whose(谁的)可用来指人或物,若指人可以用of whom来替代,若指物可以用of which来替代。
例: I have a friend whose father is a doctor.
我有个朋友的爸爸是医生。(我有个爸爸是医生的朋友)
Please give me the pencil whose colour is green. 请给我那只绿色的铅笔。
(4) 介词+关系代词which, whom引导的定语从句
用法:关系代词在句子中做介词宾语时,从句常用“介词+关系代词”引导,不可用that, 常用which和whom.
例:This is the school in which I studied 2 years ago. (in which = where,后面会讲)
这是我两年前学习的学校。(I studied in this schoo