may都是情态动词么?有没有实义动词的意思?

问题描述:

may都是情态动词么?有没有实义动词的意思?
for most probably,it may ___ to small talk which often brings harm,shame or disrespect to others, and thus hurts their
felings.
refersleads causes brings
答案是leads,如果may是情态动词,为什么后面不用动词原型.

答案有误,你是什么书上看来的?!