1) My grandparents are still playing
the lotto. 2) They have been playing the lotto for
two hours.
3) The actors are still rehearsing this scene.
4) They have been rehearsing this scene for already three hours.
5) The children are still running in the yard.
6) They have been running in the yard
for already three hours.
7) He is still writing his new book.
8) He has been writing his new book for already three years.
9) He is still learning Hamlet's monologue.
10) He has been learning Hamlet's monologue for already two days.
11) We are still repairing our flat.
12) We have been repairing our flat for already half of a month