so that后面是加的完整的句子。in order to后面加动词原形。in order to意思是“为了”，约等于to，但比to的目的性更强，后接动词原形。so that 约等于in order that，在一般情况下，so that前后两句主语不同。
so that和in order to的区别例句
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.
so that例句
She burned the letters so that her husband would never read them.
她把那些信都烧了以便永远不让她丈夫看见。
I studied Italian so that I would be able to read Dante in the original.
我学习意大利语以便能读但丁的原著。
Can you work it so that we get free tickets?
你能不能为我们搞到些免费票？
in order to例句
It's embarrassing the extremes he'll go to in order to impress his boss.
他为了给上司留下深刻印象，不惜走极端，真令人难堪。
Doctors examine their patients thoroughly in order to make a correct diagnosis.
为了作出准确的诊断，医生会对病人进行彻底的检查。
We stood up in order to get a better view.
我们站起身来以便看得更清楚。