He is too young to go to school.
He is so young that he can not go to school.
He can not go to school because he is too young.
He is too young to eat bread.
He is so young that he can not eat bread.
He can not eat bread because he is too young.
He is too short to play basket ball.
He is so short that he can not play basket ball.
He can not play basket ball because he is too short.
He is too yuong to speak.
He is so young that he can not speak.
He can not speak because he is too young.
He is too old to ride a bike.
He is so old that he can not ride a bike.
He can not ride a bike because he is too old.