Eu vou (for 'general' meanings)
or
Eu irei (for 'go/place' meanings)
or
Eu serei (for 'be' meanings)
The problem in Brazilian portuguese is o problema.
They are Brazilian and they speak portuguese as their official language
"Yes" in Brazilian Portuguese is "sim."
"John" in Brazilian Portuguese is translated to "João."
Harmony is harmonia in Portuguese. (Brazilians speak Portuguese not "Brazilian").
There isn't an equivalent name in Brazilian Portuguese for Barry.
"Olá" is how you say hello in Brazilian Portuguese.
"Beijos" is how you say "kisses" in Brazilian Portuguese.
The word "wife" in Brazilian Portuguese is "esposa".
You would say "Eu sou brasileiro" in Brazilian Portuguese.
In Brazilian Portuguese, you can say "Como você está?" to ask "How are you?"
Enjoy the book in Brazilian portuguese is Desfrute o livro.