Raspuns:
1. I just finished writing an article.
2. We haven't talked for a long time.
3. They are working together since December.
4. Peter was watching TV for the last hour and a half.
5. You haven't made many mistakes lately.
6. We are trying to convince you for two hours now.
7. I have already saw that movie.
8. What have you done to John? He doesn't look good.
9. Your neighbor is fixing his car for two weeks.
10. He hasn't finished yet.