1. have been working  2. have lost    3. smells   4. have been working,   haven't finished still   5. has been using   6. is having   7. people wear   8. Have you found

1. Perfect Continuous  2. Present Perfect   3. Present Simple   4.  Perfect  Continuous,  Present Perfect    5.   Perfect  Continuous   6. Present Continuous  7. Present Simple   8. Present Perfect