Do you need _____(ride)a bike to work?用正确形式填空

题目

Do you need _____(ride)a bike to work?用正确形式填空
这里的need是情态动词还是助动词？

答案

Do you need to ride a bike to work? 这里的need既不是情态动词也不是助动词,是个实义动词、行为动词.