Present Perfect negative - irregular verbs

Write negative sentences (short form) - Present Perfect.

1. The pupils their exercises on the computer. (to do)
2. We any exams this week. (to write)
3. The dog in the lake. (to swim)
4. The cat all the milk. (to drink)
5. She her holidays in France. (to spend)
6. They for the meal. (to pay)
7. James his bike. (to ride)
8. We that new bestseller. (to read)
9. The guide us all the sights. (to show)
10. I a new job. (to find)