i am not going to be free in two days

问题描述:

i am not going to be free in two days
为什么不用 won't?to后面的be为什么这么加?

be going to do sth 也是将来时(因为我有空是这样说的:I am free.am的原形是be)
也可以用won't 呀:I won't be free in two days.