1. Have you dusted the house for fingerprints yet?
the house / dust / for fingerprints yesterday

Yes, the house was dusted for fingerprintsyesterday.

2. Have you found any evidence yet?
a piece of material / find / this morning

3. Have you interviewed the house owners yet?
they / interview / last night

4. Have you questioned the neighbours yet?
they / question / this morning

5. Have you arrested any suspects yet?
two men / arrest / yesterday evening

6. Have you interrogated the suspects yet?
they / interrogate / last night

7. Have you recovered the stolen goods yet?
they / recover / this morning

8. Have you written your report yet?
it / complete / an hour ago