Ответ: I
1. I have been reading this book for three days.
2.We have been playing volleyball for twenty minutes.
3.She has been cleaning the flat for more than an hour.
4. Peter has been swimming for half an hour.
5. Ann has been speaking on the phone for an hour now.
II
1. I have not been reading this book for three days.
2.We have not been playing volleyball for twenty minutes.
3.She has not been cleaning the flat for more than an hour.
4.Peter has not been swimming for half an hour.
5.Ann has not been speaking on the phone for an hour now.
III
1.Have I been reading this book for three days?
2.Have we been playing for twenty minutes?
3.Has she been cleaning the flat for more than an hour?
4.Has Peter been swimming for half an hour?
5.Has Ann been speaking on the phone for an hour now?
Объяснение: