When used before the word you are speaking of, it would be "buen". Example: Éste es un buen hombre. (This is a good man).
In isolation, you would use "bueno".
When used after the word being modified, you would use "bueno" or "buena". Example: La mujer es una persona buena. (The woman is a good person).
"Bueno" means good in Spanish.
To say "You are good" in spanish you say: eres bueno
bueno is good in Spanish.
"Real good" is "bueno verdadero" in Spanish
"Good morning" in Spanish is "buenos días".
No muy buena is the best way to say "not very good" in Spanish.
buneo
Bien.
.
¿estoy muy bien y tu?
Adios
Bueno!