Irregular verbs

Across

4. have
5. swim
8. bite
10. choose
11. come
12. begin
13. build
14. buy
17. drive
18. draw
19. go
20. think

Down

1. cost
2. fall
3. build
6. break
7. see
9. eat
10. catch
11. cut
13. bring
14. be
15. get
16. sing
17. do
18. drink