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...

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