Answer:
Son amigos de Pablo.
Elena eres colombiana.
Tú eres de los Estados Unidos
Paco y yo somos de Europa
Yo soy perezosa
Somos amigos de Pablo.
Elena soy colombiana.
last three can't really be changed so just use the previous answers.
Mario y yo somos amigos
Vincente es un alumno serio
Yo soy ambiciosa
Juan eres de una cuidad bonita
Carmela y yo somos alumnos en la misma escuela.
just switch around the names for the other answers
Tú = you
Ud. = you
yo = me
él = him
ella = her
vosotros(as) = us (os ending is masc, as ending is fem)
Uds. = ustedes
nosotros(as) (os ending is masc, as ending is fem)
not sure if i'm 100% correct but I hope I was able to help with some at least