初中英语三大从句汇总讲解

初中英语三大从句汇总讲解

从句是相对于主句而言的,即它是从属于某一个主句,而不能单独作一个句子。在英语中主要有三大从句,即: 1. 名词性从句 2. 定语从句 3. 状语从句。

1)主语从句用作主语,如:

That the earth is round is true. 地球是圆的是真实的。 2)宾语从句用作宾语。如: Do you know where he lives? 3)表语从句用作表语,如:

My opinion is that you should not go alone. 我的意见是你不应单独前往。

4)同位语从句用于解释说明前面的名词。如: The fact that the earth is round is true. 地球是圆的的事实是真实的。

5)定语从句相当于一个形容词,用于修饰前面的名词。如:

The student who answered the question was John. 回答问题的学生是John.

6)状语从句相当于一个副词,如:

When it rains, I usually go to school by bus. 天下雨时,我通常坐公共汽车上学。

If he comes tomorrow, you will see him. 如果他明天来,你就可以看见他。。要注意在状语从句中有一个规则是“主将从现”,即主句是将来时,则从句要用一般现在时表示将来。 He returned home to learn his daughter had just been engaged.他回家后得知女儿刚刚订婚了。,find,see,hear,to be told,make等具有界限含义的动词。)

You must speak louder so that /in order that you can be heard by all. 你必须大声说话,才能让所有人听到你说话。 Since /As the weather is so bad,we have to delay our journey. 天气那么糟,旅行推迟了。 ,seeing that ,now that ,considering that 等引导。)

Though/Though he was worn out, he kept on working. 虽然他已经精疲力竭了,但仍然继续工作。

Where I live there are plenty of trees. 我住的地方树很多。 As water is to fish, so air is to man. 我们离不开空气,犹如鱼儿离不开水。 as…so…,as if,as though引导。) 主句和从句的划分方法是相同的。句子的成分从谓语动词处来划分比较容易。谓语动词前面的部分是主语,后面常接宾语,修饰谓语动词的是状语,修饰主语、宾语的是定语,若谓语是系动词,则系动词后的部分是表语。如:

I am a teacher. 其中,I 是主语,am是谓语,a teacher 是表语。

He likes playing football very much. 其中,he是主语,likes是谓语,playing football是宾语,very much是状语。

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