My sister (cook) all afternoon.
has been cooking.
She (listen) for a long time.
has been listening
You (spend) a lot of money.
have been spending.
You (not study) lately.
haven't been studying.
Marge (paint) the house.
has been painting.
How long (he, play) videogames?
has he been playing
She (not pay) attention.
hasn't been paying
How long (you, study) ?
have you been studying
He (sleep) for hours.
has been sleeping.