The boy is so young to carry the heavy box.语法有没有什么错误

The boy is so young to carry the heavy box.语法有没有什么错误
The boy is so young to carry the heavy box.语法有没有什么错误

The boy is so young to carry the heavy box.语法有没有什么错误
1The boy is so young that he can't carry the heavy box.
2 The boy is too young to carry the heavy box.
so,that 如此,以至于,/ too,to 太,而不能...俩个都行的