They (haven't packed/ haven't been packing) their clothes yet.
Alice (has looked/ has been looking) for this shop for two hours.
Has he (been living/nave lived) here for the whole life?
Mike (has bought/has been buying) sunglasses. They are really nice!
I’m tired. I (have played/ have been playing) tennis for three hours!
We (have been walking/have walked) in the park for two hours.
We have already (seen/ been seeing) this comedy.