the children come home from school,they arrive home early.Mr.Sawyer comes home from work,

问题描述:

the children come home from school,they arrive home early.Mr.Sawyer comes home from work,
he arrives home late.
为什么前一句不加S后一句加了S

前同孩子们是复数不可以加S
后面Mr.Sawyer 是三人称单数所以加S