Past Participles:
- 1. break - broken
- 2. twist - twisted
- 3. burn - burnt/burned
- 4. cut - cut
- 5. bang - banged
- 6. scratch - scratched
- 7. crack - cracked
- 8. treat - treated
- 9. sprain - sprained
- 10. hurt - hurt
- 11. cure - cured
- 12. hit - hit
Note: Some verbs have both regular (-ed) and irregular past participle forms. The irregular forms are generally more common in British English for 'burn' (burnt).