Ответ:

1. Anna hasn't packed a suitcase

2. Ben bought a present for Tina yesterday.

3. Our neighbors planted some vegetables in garden on Saturday.

4. Henry hasn't locked a door.

5. The mechanic hasn't repaired our car.

6. My aunt painted a flat last month.

7. We ordered pizzas half anhour ago.

8. Martin and Jenny haven't washed cars.