2. I have been cleaning
3. Have you found
4. I have cleaned
5. haven't seen it
6. have you been looking
7. haven't seen
8. have been tidying up
9. Have you asked
2. I have been cleaning
3. Have you found
4. I have cleaned
5. haven't seen it
6. have you been looking
7. haven't seen
8. have been tidying up
9. Have you asked