Question

so...that和too..to的区别

Answer 1

so...that意为“如此。。。以至于”，that后接从句。而too...to结构意为“太。。。而不能。。。”，too后接形容词或副词，to后接动词原形。
如：His is so clever that he can answer all these questions.
He is too young to go to school.

Answer 2

so +形容词/副词+that+从句“如此……以致……”（从句）
too +形容词/副词+to do sth “太……而不能”（简单句）如
He is so young that he can't go to school.
=He is too young to go to school.

Answer 3

so +形容词/副词+that+从句“如此……以致……”

too +形容词/副词+to do sth “太……而不能”