Помогите пожалуйста!!!!!
Раскройте скобки, употребляя гла¬голы в одном из следующих времен: Present Perfect, Present Perfect Continuous.
1. They (to work) there for already three hours. 2. They (to play) since break-fast time. 3. She already (to do) her homework for two hours; but she (not yet to do) half of it. 4. I (to wait) for you since two o'clock. 5.I already (to read) sixty pages. 6. He (to write) books since he was a young man. He al¬ready (to write) eight books. 7. Today she (to help) her mother since morning. They already (to wash) the floor and (to dust) the furni¬ture. 8. You (to find) your note-book? — No! I still (to look) for it. I already (to look) for it for two hours, but (not yet to find) it. 9. You (to play) with a ball for already three hours. Go home and do your homework. 10. Wake up! You (to sleep) for ten hours already.

1. They (have been working) there for already three hours. 2. They (have been playing) since break-fast time. 3. She has already (been doing) her homework for two hours; but she (has not yet done) half of it. 4. I (have been waiting) for you since two o'clock. 5. I already (read) sixty pages. 6. He (has been writing) books since he was a young man. He has already ( written) eight books. 7. Today she (has been helping) her mother since morning. They have already ( washed) the floor and ( dusted) the furniture. 8. Have you ( found) your note-book? — No! I am still ( looking) for it. I have already (been looking) for it for two hours, but (have not fouind) it yet. 9. You have been playing with a ball for already three hours. Go home and do your homework. 10. Wake up! You (have been sleeping) for ten hours already.