1. be – was/were
2. have – had
3. Become – became
4. Build – built
5. Cost – cost
6. Drive – drove
7. Eat – ate
8. Feel – felt
9. Get – got
10. Go –went
11. Hit – hit
12. Know – knew
13. Live – lived
14. Make – made
15. Meet – met
16. Take – took
17. See – saw
18. Speak – spoke
19. Teach – taught
20. Write - wrote