Answer:

2. has finished--had finished

3. have studied--will have studied

4. had bought--will have bought

5. has slept--had slept

6. had learned--will have learned

7. has drunk--will have drunk

8. had decided--will have decided

9. has gone--had gone

10. has taken--will have taken

Explanation:

If incorrect/incomplete don't report.

Nobody is perfect.

Everyone made a mistake.

Hope it helps:)