I want to go to see the doctor,but you ____with me .为什么空格处天need not go

问题描述:

I want to go to see the doctor,but you ____with me .为什么空格处天need not go
而不是need not to go

need后面能够直接加not构成否定,说明need为情态动词;而情态动词后接动词原形,当然不能加不定式符号to .