Molly ______________ (tidy up) the house for two hours.
Molly has been tidying up the house for two hours.
Brenda ___________ (watch) cartoons since 3 o’clock.
Brenda has been watching cartoons since 3 o’clock.
My dad _____________ (already/watch) the latest news.
My dad has already watched the latest news.
His elder sister _________(yet/not/tidy up) her room.
His elder sister hasn’t tidied up her room yet.
Alice _______________ (feed) her baby for twenty minutes already.
Alice has been feeding her baby for twenty minutes already.
Recently I _________ (feed) baby-lions in the zoo.
Recently I have fed baby-lions in the zoo.