so

1、so that。conj.因此;以便。例句：They may be able to help with childcare so that you can have a break 。他们可以帮忙照料孩子，这样你就可以歇了。

2、so……that。如此……以至于……；太……以至于……例句：I am so tired that I want to sleep right now. 我是如此的累以至于我想马上睡觉。