1. he has been studying English since three months 2. they have been written a test for two hours 3. we have been clean the classroom since 3 oclock 4. what were you read when i telephoned you? 5. will you help me, please? 6. i have already saw the film 7. he has never wash his clothes 8. did you ever dance in class? 9. your brouther was talk with his friends when i saw him yesterday 10. he has been doing exercises ten minutes

1......for three months
2....writing
3....cleaning
4....reading
5could you help me,please?
6...already seen
7...washed
8have you ever danced in class?
9....was talking
10.....for ten minutes