OF后面为什么要加名词性物主代词？

He is my father's friend. -- Make sense!

He is a friend of my father -- Dose not make sense!

HE IS A FRIEND OF MY FATHER'S, -- That means, my father has many friends, he is one of them.

Try to think it in a natural way, instead of grammar analysis. More reading and writing will be helpful.

of在此是不译的，没有意思。所以of后面就要表示 谁谁的。

He is my father's friend. -- Make sense!
He is a friendHE IS A FRIEND OF MY FATHER'S, -- That means, my father has many friends, he is one of them. of my father -- DoHE IS A FRIEND OF MY FATHER'S, -- That means, my father has many friends, he is one of them.

Try to think it in a natural way, instead of grammar analysis. More reading and writing will be helpful. se not make sense!这些是例子

of在此是不译的，没有意思。所以of后面就要表示 谁谁的。懂了吧

of在此是不译的，没有意思。所以of后面就要表示 谁谁的。