so that的意思是因此，以便。当so that的意思是“以便”时，等于in order to。当so that的意思是“因此”，相当于therefore。
so…that的常用句型及例句
1.so+形容词/副词+that…
例句：This teacher is so kind that we all like him. 这个老师非常和谒，我们都喜欢他。
2.so+形容词+a/an+单数可数名词+that…
例句：This is so interesting a book that we all enjoy reading it. 这本书非常有趣，我们都喜欢看。
3.so+ many(多) / few(少) +复数可数名词+that…
例句：He has so many books that I can’t count them.他有很多书，我数也数不清。
4.so+ much(多) /little(少) +不可数名词+that…
例句：There was so much food that we couldn’t eat it all. 食物太多了，我们吃不完。