Tú vs.Usted Both mean you Tú (singular familiar) is used with people that you are familiar with or someone that you refer to by their first name. Usted (Ud.) (singular formal) is used with a person who you should respect, for example a doctor, teacher, elder, or an unknown person. Usted is also used with someone with the title Mr., Mrs., or Ms.
Tú vs. Usted When do you use tú or usted?
Tú vs. Usted Mr. Stephens
Tú vs. Usted usted
Tú vs. Usted Your younger brother
Tú vs. Usted tú
Tú vs. Usted Your doctor
Tú vs. Usted Usted
Tú vs. Usted Your best friend
Tú vs. Usted tú
Tú vs. Usted Your parents
Tú vs. Usted It depends….. Most people use usted but it varies by country. If you aren’t sure, use usted until you are invited to use tú.