‘那个男孩太小以至于不能去上学’too...to...和so...that...的用法

The boy is too young to go school.
The boy is so young that he can't go to school.

That boy is too young to go to school.
That boy is so young that he can't go to school.

that boy is so young that he can't go to school.
that boy is too young to go to school.

The boy is too small to go to school.

1.That boy is too young to go to school
那个男孩太小以至于不能去上学（too...to..）
2.That boy is so young that he can't go to school
那个男孩太小以至于不能去上学（so...that...）
解析：
young [jʌŋ] adj.年轻的；初期的；没有经验的
n.年轻人；（动物的）崽,仔
[ 比较级younger *youngest ]
so...that...：太...以至于；太...而(肯定和否定都可)
too ...to...：太.而不能