Donner des réponses. - Français

Tu es = second person plural (you are)

Il/elle est = he/she is (thrid person plural)

Always remember that in French the subject can never be omitted.

il/elle est= he/she/ (third person singular)
tu es = you are (second person singular
Je suis , tu es, il /elle est, Nous sommes, vous êtes, ils /elles sont
I am, you are, he/she/it is, We/you/they are