(完整word版)初中定语从句知识点详解
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初中定语从句知识点详解
定语从句考点:①关系代词的用法
②关系副词的用法
③关系副词=介词+关系代词的用法
●定语从句:在主从复合句中用作定语的从句叫做定语从句。
Eg:He who knows nothing but pretends to know everything is indeed a
good-for-nothing. 不懂装懂,一事无成。
It is the first step that costs. 千里之行,始于足下。
He that makes himself a sheep shall be eaten by the wolf. 甘当小绵羊,迟早要喂狼。
●先行词:被定语从句修饰的成分。先行词可以为一个词、短语甚至整个句子。
●关系词:引导定语从句的词叫关系词,分为关系代词和关系副词。
关系词引导定语从句,连接主句和从句,相当于连词的作用;
关系词必在从句中充当某个句子成分,可为主语、宾语、表语、定语、状语。
一、各个关系代词和关系副词的区别及具体用法:
(一)、1. who 指人,在定语从句中作主语或宾语。例如:
The person who broke the window must pay for it. 打碎玻璃的人必须赔偿。
The boy who is wearing the black jacket is very clever. 穿黑夹克的那个小男孩很聪明。
2. whom指人,在定语从句中作宾语,可以省略,若前面有介词,则不可省略,也不能用that,例如:
Do you know the young man (whom/who) we met at the gate?
你认识我们在门口碰见的那个人吗?
Mr Lee (whom/who) you want to see has come. 你想要见面的李先生到了。
The man to whom our teacher is speaking is from Canada.
=The man who our teacher is speaking to is from Canada.
我们老师正在谈话的那个男人来自加拿大。
3. whose 指人,也可指物(拟人化的物),意思是“谁的”,在定语从句中作定语。例如:The girl whose mother is ill is staying at home today. (The girl’s mother is ill.)
那个女生的母亲生病了,她今天仍然呆在家。
I know the boy whose father is a professor. (The boy’s father is a professor.)
我认识那个男孩,他的父亲是一名教授。
I live in a house whose windows face the south. (The house’s windows face the south.)
我居住在一个窗户朝南的房子里面。
4. which指物,在定语从中作主语或宾语,做宾语时可以省略。例如:
A dictionary is a book which gives the meaning of words.
字典就是一本可以给出单词释义的书。
Here is the book (which) the teacher mentioned yesterday. 这就是昨天老师提到的那本书。
5. that多指物,有时也指人,在定语从句中作主语或宾语,做宾语时可以省略。例如:I’ve read the newspaper that(which) carries the important news.
我读了那份刊载着重要消息的报纸。
Who is the boy that/whom I saw this morning? 我早上见到的那个男孩是谁?
6. when 指时间,在定语从句中作状语。例如:
I’ll never for get the time when we worked on the farm.
我永远不会忘记我们一起在农场工作的时候。
He arrived in Beijing on the day when I left. 他在我离开北京的那天到的北京。
7. where 指地点,在定语从句中作状语。例如:
This is the house where we lived last year. 这就是我们去年居住的那个房子。
=This is the house which we lived in last year. =This is the house in which we lived last year. The factory where his father works is in the east of the city.
他父亲工作的那个工厂在这个城市的东边。
=The factory which his father works in is in the east of the city.
=The factory in which his father works is in the east of the city.
8. why指原因,在定语从句中做原因状语:
I don’t know the reason why he looks sad today. 我不知道他今天看起来难过的原因。Could you please explain the reason why you were late? 你可以解释下迟到的原因吗?
(二)关系代词和冠词副词引导的从句有什么区别?
关键点:1、关系副词在从句中是做状语,只做状语,不能做其他的成分。
2、关系副词引导的从句可以由“介词+关系代词”引导的从句替换。
why=for which
where=in/on/at /to···which(介词同先行词搭配)
when=during/on/in/over···which(介词从同先行词搭配)
注意:①介词后面的关系代词不能省略②介词后面不能用that。
eg:The reason why he refused the invitation is clear. 他拒绝邀请的理由显而易见。
=The reason for which he refused the invitation is clear.
Great changes have taken place in the city where I was born.
我出生的地方发生了巨大的变化。
=Great changes have taken place in the city in which I was born.
The time when we got together finally came. 我们团聚的时刻最终到来了。
=The time in/during which we got together finally came.
[注]表示时间“time"一词的定语从句只用when引导,有时不用任何关系代词,当然也不用that 引导。
Eg: By the time you arrived in London, we had stayed there for two weeks.
到你来伦敦的时候,我们已经在那里待了两天了。
I liked the sea city the first time I went there. 我第一次来到那个海滨城市就爱上了它。
例题一:
1、He has forgotten the day _______ he arrived.
A. when
B. where
C. that
D. which
解题思路:此题中,从句是he arrived,它已经是一个完整的句子,因此,这里要填一个在从句中充当状语的成分,C选项和D选项都不能做在从句中作状语,因此排除掉,the day 指的是时间,因此,要填上表示时间的关系副词when。