his 做主语不需要用第三人称单数。例子:
His children have grown up and become parents already. 他的孩子们已经长大变成父母。
his 做主语要用第三人称单数。例子:
His daughter is his only child.
他的女儿是他的独生女。
不必客气。
Alex
参考资料：||
不一定，看“他的”这个主语具体指代的事物。
his 做主语不需要用第三人称单数。例子:
His children have grown up and become parents already. 他的孩子们已经长大变成父母。
his 做主语要用第三人称单数。例子:
His daughter is his only child.
他的女儿是他的独生女。
不必客气。
Alex
参考资料：||
不一定，看“他的”这个主语具体指代的事物。