Je = I
Tu= You
Il = He
Elle = She

Je suis = I am
Tu es = You are
Il est = He is
Elle est = She is

J'ai = I have
Tu as = You have
Il a = He has
Elle a = She has

General Question:
Comment tu t'appelles? = What's your name?
Je m'appelle... = My name is...

Tu viens d'où? = Where are you come from?
Je viens de Chine = I come from China.

Quel âge tu as? How old are you?
J'ai xx ans. = I am xx years old.

Tu es de quelle nationalité? = What is your nationality?
Je suis chinois = I am Chinese.