How do you say "Be good"....

Question

How do you say "Be good"?....as a goodbye type comment. I was figuring you could say Ser Bueno. Right or wrong?

Be good, David

Answer 1

Hi David, welcome

You are right, but you have to conjugate the verb:

que seas bueno, sé bueno

also:

¡Pórtate bien!

• ¡Pórtate bien! = Behave yourself! - Mokay Nov 24, 2009

Answer 2

"Sé bueno"?

• "Sé" is the informal imperative command form of "Ser". It also means "I know" but you just filter that out in this context. - Gustav-R Nov 24, 2009