Tu y Su

Question

They can both mean "Your"

For Example:

"Mi casa es su casa" y "Cual es su nombre" Then there can be "Tu mamá es muy bonita" can someone help me with them, are they like English when it comes to "Two, Too, and To"'

Answer 1

The problem was that i didn't know how they were different, but now I do..

¡Gracias Lazarus y Rocco!

Answer 2

No, nothing like that.

"Tu" is used when you are speaking in the familiar (tú form).

"Su" is used when you are speaking in the formal (usted form).

Isn't that simple?

Also, "su" can mean "his/her/their."
Ellos me invitaron a su casa. (They invited me to their house.)
Ella me invitó a su casa. (She invited me to her house.)

Answer 3

"Mi casa es su casa" y "Cual es su nombre" Then there can be "Tu mamá es muy bonita" can someone help me with them, are they like English when it comes to "Two, Too, and To"?

su = polite 'your' (also his/her)
tu = informal 'your'

What exactly is the problem'