My mother go shopping once a week还是My mother goes shopping once a week,哪个是对的?

题目

My mother go shopping once a week还是My mother goes shopping once a week,哪个是对的?

答案

应该是
My mother goes shopping once a week.
因为my mother 在这里是第三人称
后面的动词是V.+s 或 V.+es