so that的用法及例句详解
1.so that以便；表示目的
so that = so

句子+so that+ 主语+情态动词+V原+…
They got up early so that they could catch the early bus.
=They got up early so they could catch the early bus.
他们早早起床，以便能够搭上早班车。

2.so that 因此、导致（结果）；表示结果
so that = so 

句子, so that + 句子
The floor is wet, so (that) it is easy to fall down.
地板是湿的，容易摔跤。
so that前常有逗号

3.so…that…如此…以致于…；表示结果
1）句子+so + adj./adv. + that+句子
He was so short that he couldn’t touch it. 
他是如此矮，以致他摸不到它。

2）so + adj. + a/an + n.+ that+句子
She is so nice a girl that everyone likes her.
她是如此友好的一个女孩子，以致大家都喜欢她。

3）so + many/much + n. + that+句子
He has lied so many times that I cannot trust him anymore. 
他撒谎太多次了，以致我无法再相信他。
There is so much fog that I can’t see anything.
雾太浓了，（以致）我什么都看不到。