Irregular verbs

Across

2. sat
4. began
6. shot
7. slept
9. understood
11. wrote
13. found
14. drove
15. bought
16. wore
18. hit
19. took

Down

1. got
2. swam
3. became
5. fed
8. left
10. spent
11. won
12. learnt
13. flew
15. built
17. ate
18. had