I've been learning new words. -
You haven't been sleeping. -
How long have you been studying it? -
How long have you been sitting there? -
He's been speaking for fifteen minutes. -
How long have you been playing? -
Have you been working hard? -
She's been asking me. -
We've been expecting you for days. -
I've been planning it for years. -
I've been feeding him. -
Who's been feeding you? -
I haven't been sleeping well since we came here. -
I've been calling you! -
You haven't been working. -
You haven't been telling me the truth. -
Have you been working all night? -
What have you been reading? -
You've been robbing me. -
I have been protecting myself. -