Just myself.

Salut, bonjour!
Ça va?

Je suis Matheus Fazolin, 18 et Brésilien. Je ai J'ai (Je becomes j' before a vowel) un très fort désir très fort (adjectives follow nouns) d'apprendre le français...

I'm Matheus Fazolin, 18 and I'm Brazilian... I really want to learn more French... Do somebody wants to help me?

I speak Portuguese, my native lenguage and English.

Nice to meet you...

Just myself.

Salut, bonjour!
Ça va?

Je suis Matheus Fazolin, j'ai 18 ans et je suis Brésilien. Je ai un très fort désir d'apprendre J'aimerais vraiment apprendre le français...

I'm Matheus Fazolin, 18 and I'm Brazilian... I really want to learn more French... Do somebody wants to help me?

I speak Portuguese, my native lenguage and English.

Nice to meet you...

Here's a correction :)

If you want to learn French maybe you could directly ask french people to help you ;)