Introducing someone to someone else

Introducing someone to someone else

I'd like to meet my friend Marry.

I'd like you to meet Mary.

This is my friend Mary.

John,(this is )  Mary.Mary,John.

Mary, have you meet john?

Mary do you know john?

Mary shake hand with john Jones.

Do you too know each other?

Have you meet?

Have you too been introduced?

Haven't you been introduced?

Oh,I am sorry; how silly of me.This is Mary.

Mary, John is the guy I was telling you about.(informal)

You to have lot in common.