so that 後面是加的完整的句子。
in order to 後面加動詞原形。
I got up early in the morning so that I could catch the first bus to school.
I got up early in the morning in order to catch the first bus to school.
此外同樣表示“為了”的意思的還有：
so as to 後面接動詞原形,表示結果.
so that後面接從句,表示結果.
in order to 後面接動詞原形,表示目的.
in orde that後面接從句,表示目的.
