his是物主代词，不能作主语
作主语的可以是he或是she
当主语是单数第三人称时，后面的动词要用单数第三人称形式，简称单三形式，规则的动词在其后加s即可。 扩展资料
You could see from his face that he was lying.
从他的表情上你可以看出他在说假话。
The operation could prolong his life by two or three years.
这次手术可使他多活两三年。
For a long time his death was concealed from her.
他的`死瞒了很长时间都没告诉她。
He will make his debut for the first team this week.
本周他将在第一支出场的队伍中首次亮相。
His eyes were fixed on a small house in the middle distance.
他凝视着不远处的一座小房子。