了解这两种从句就要先知道什么是定语和状语。
定语是用来修饰名词或代词的。一般放在这两种词的后面。那么修饰名词或代词的句子叫定语从句,一般也放在这一名词或代词后面。被修饰词叫先行词。
状语是用来修饰动词,形容词,副词或整个句子的。那么修饰动词的句子就是状语从句。即用来说明动作发生的时间,地点,原因,方式,条件等等。它要放在主句前或后。如下面这些例子。
The book that /which I bought is very interesting.
I will never forget the days when we worked together.
Those who have finished your work may leave now. 以上三句都有一定语从句。分别修饰了三个词,the book,/ the days /those.
下面是状语从句的例子
When I was walking in the street, I met one of my friend.
Because he was ill yesterday, Tom didn't go to school.
If I am free tomorrow, I will go to see you.
You should do as your teacher told you.
希望你能明白。
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