so that和such that用法详解：
I will go to the library so that I can study quietly.
I bought a map so that I wouldn’t get lost.
We got to the movie theatre early so that we could get good seats.
1) so + adj./adv. + that…： 如此…以致…
She was so tired that she could hardly speak.
He walked so fast that he fell down on the ground.
2)so + adj. + a/an + n.+ that….：如此…以致…
She was so clever a girl that she could understand.
[ a/an+可数名词单数 ]
It was so interesting a book that I read it twice.
3)so + many/much +n. + that…: 如此…以致…
There are so many people that I can’t find him.
[many + 可数名词复数]
He drank so much water that he threw up.
[much + 不可数名词]
1)such + a/an + adj. +n. + that
= so + adj. + a/an + n.+ that
She was such a clever girl that she could understand.
=She was so clever a girl that she could understand.
It was such an interesting book that I read it twice.
=It was so interesting a book that I read it twice.
2）such + adj. +可数名词复数/不可数名词 +that
They are such smart boys that they can do it.
They were in such pain that they were unable to move.
She made such stupid decisions that she could get fired. (√)
She made so stupid decisions that she could get fired. (×)
She had so much work that she had to stay up all night. （√）
She had such much work that she had to stay up all night. （×）
He is such a little boy that he can’t understand.
以上就是有关so that和such that的用法，同时须搞懂：
so that和too to的区别