so that引导结果状语从句和目的状语从句

　　例句：

　　One of my friends walled off the living room so that he can have a separate place to eat. （目的状语从句）我的一个朋友把起居室用墙隔开以便有一个单独用餐的地方。

　　The local shops have been marked in on this map so that people can choose a house in a suitable area. （结果状语从句）我们要认真学习辩证唯物论，用以指导实践。

　　But they worked hard, and she worked hard, so that she could go to the best schools in this country. （结果状语从句）但他们工作努力，米切尔学习上进，所以她能进入美国最好的大学之一念书。