we need to learn much about computer,-------- we[反问疑问句】

问题描述:

we need to learn much about computer,-------- we[反问疑问句】

needn't为什么不用do notneed 到底是实意动词还是情态动词?应该是实意动词因为后边加了to。那反意疑问句应该是用don't,不用needn't