We has no lessons on Sunday.改错

题目

We has no lessons on Sunday.改错
说出错因.（= = 此人乃英语废材一只……）

答案

have 第一人称主语要用动词原型have
We have...
I have...
You have...
They have.
第三人称才用单数比如it,he ,she
he has.
She has...