Add -ing to the verbs.

Here are the verbs with the -ing form added:

7. to fail - failing
8. to dry - drying
9. to have - having
10. to travel - traveling
19. to shop - shopping
21. to pay - paying
22. to win - winning
23. to fix - fixing
16. to cut - cutting
17. to shake - shaking
25. to sell - selling
26. to catch - catching