Now, why not be a good boy and turn your head for a few minutes?
Run along now, and be good boy while I am gone.
He was a good boy, and she did not want to leave him.
But he will be a good boy one of these days.
Be a good boy and do exactly what you are told.
You seem like a good boy and everybody thought well of your father.
I was a good boy, always did what my mother told me and read all the right books.
He was a very good boy for thousands of years.
How could he, a good little boy, have done something so bad?
You've been a good boy, and worked hard to help out.