so as to 、 so that、 in order that、in order to 区别

题目

so as to 、 so that、 in order that、in order to 区别

答案

so that 引导状语从句,以便,所以；in order that 引导目的状语从句,为了,这两者后面必须加句子.但 so that只能放在句中.
so as to /in order to 都是为了的意思,但是so as to不能放句首,in order to能放句首.