这句话的divides是否用错了，是否应该是divide? 不定式表语前面省略to ?

问题描述

But when you strip away the sentimentality, what it really does is divides us

老师答疑

陈老师：

But when you strip away the sentimentality, what it really does is divides us

你的 理解是对的，应该是省略不定式to, 用动词原形divide