目的状语从句在主句中表示目的。
其连接词有:so,so that,in order that等,从句中多用情态动词can, will, may, should 等。如:
He got up very early so that he could catch the first train.
结果状语从句
结果状语从句在主句中表示结果。其连接词有:
so…that…,such… that…等。如:
It’s such a good chance that you can’t miss it.
这次机会如此好,你不能失去它。
attention:so…that 和 such …that 都可引导结果状语从句,
注意so和such后面所接的词不同。
so后边可加形容词或副词,
而such后边要用名词(该名词前面可带形容词,也可不带)。
让步状语从句
常用词有:though/although,even if/ though,
但though/although不能和but同时出现在一个句子里。如:
Though it’s hard work, I enjoy it.
= It’s hard work, but I enjoy it.
Though/Although it was raining,we went there.
比较状语从句
常用词有:than,as…as,not as/so…as,如:
He ran as fast as Mike.
条件状语从句
条件状语从句在主句中表示条件。其连接词有:
if,unless ,as long as。如:
If it is fine tomorrow, we will go swimming.
注意:条件状语从句中,一般用一般现在时代替一般将来时,一般过去时代替过去将来时。如:
Unless it rains, the game will be played.
= If it doesn’t rain, the game will be played.
原因状语从句
原因状语从句在主句中表示原因或者理由。其连接词有:
because,as,for,since等。如:
He didn’t catch the first bus because he got up too late.
We should study hard since we are students.
attention:
because和so不能同在一个句子里。
Because the book was expensive, I didn’t buy it. (I 前不用so)
地点状语从句
地点状语从句在主句中表示地点。其连接词有:
where(哪里),wherever(无论哪里)等。如:
Put it where you find it. 把它放在原来的地方。
You can sit wherever you like. 你喜欢坐在哪里就坐在哪里。
时间状语从句
时间状语从句在主句中表示时间,常用连接词有:
when/while/as, before,after,since,until,as soon as等
如:She was cooking when someone knocked at the door.
He often went to the concert while he stayed in Berlin.
I didn’t go to bed until she came back.