is going to say
Todavía no sabés lo que va a decir.
You still don't know what he's going to say.
I already know what he's going to say.
She already knows what she's going to say.
— Star Trek II: La ira de Khan (1982)
Yo ya sé lo que te va a decir esa.
I already know what she's going to say to you.
— Fellini, ocho y medio (1963)
Tom descubrió el secreto de la vida, pero no me lo va a decir.
Tom discovered the secret of life, but he’s not going to tell me.
Tom le va a decir a Mary que sabe de la situación.
Tom is going to tell Mary that he knows about the situation.
Es fácil hablar claro cuando no va a decir toda la verdad.
It's easy to speak plainly when you're not going to tell the whole truth.
I know what he's going to say.