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