What will happened if someone have no friend? happen为什么变成过去式?

问题描述:

What will happened if someone have no friend? happen为什么变成过去式?

没有这种用法,应该是写错了吧.
will后跟动词原形.
What will happen if someone have no friend?
原句的意思:如果一个人没有朋友,将会发生什么?