A birthday party will be given tomorrow.改写成“否定句”和“一般疑问句”

问题描述:

A birthday party will be given tomorrow.改写成“否定句”和“一般疑问句”

否定句:A birthday party won't be given tomorrow.
一般疑问句:Will a birthday party be given tomorrow?这里的否定句为什么用won'twon't 是 will 的否定 = will not