You __to school tomorrow if you go to look after your mother in the hospital.答案为什么是need not come 而不是need not to come

问题描述:

You __to school tomorrow if you go to look after your mother in the hospital.
答案为什么是need not come
而不是need not to come

need后边必须跟动词原型

这时候的need 是情态动词了,所以后面直接带动词原形就好了,不用再加to

因为need这个词在后面加否定词not的时候,就是情态动词了,情态动词后接动词原形
而to come是动词不定式