一般将来时的问题一般现在时、一般将来时、现在进行时都有肯定句、否定句和疑问句,一般将来时有吗?

有,每个时态都有肯定、否定及疑问
一般将来时结构：
肯定句结构：will + 动词原形
否定句结构：will + not + 动词原形（ will not可缩写成won't)
一般疑问句：Will + 主语 +动词原形
例句：
一般现在时：
I play football on Sundays.我在周日踢足球.
I don't play football on Sundays.我不在周日踢足球.
Do you play football on Sundays?你在周日踢足球吗?
一般将来时：
He will have a picnic.他将去吃野餐.
He won't have a picnic.他不去吃野餐.
Will he have a picnic?他将去吃野餐吗?
现在进行时：
She is reading a book.她正在读一本书.
She isn't reading a book.她没在读一本书.
Is she reading a book?她正在读一本书吗?