1.Wake up! You have been sleeping (to sleep) for twelve hours already.
2. I have just received (to receive) a letter from my granny, but I haven't received (not yet to receive) any letters from my parents yet.
3. They were playing (to play) football for an hour last Monday.
4.We have lived/have been living (to live) here for five years.
5. She didn't chaned (not to change) her clothes yesterday evening.