Okay ummmmm t<span>ú and usted both mean you so I'm not sure what exactly they mean by that. Like how do you list a person that I would talk to using you?!?!? like what does that even mean I'm sorry that I'm not helping but seriously wth?</span>
Empiezo would be the yo form
1-Yo soy amigo de Marcos.
2-Marcos y yo somos muy buenos amigos.
The answer is quadupllo try finding it