1. be – was, were (irregular)
2. decide – decided (regular)
3. have – had (irregular)
4. get – got (irregular)
5. knock – knocked (regular)
6. answer – answered (regular)
7. open – opened (regular)
8. hear – heard (irregular)
9. jump – jumped (regular)
10. turn – turned (regular)
11. see – saw (irregular)
12. rush – rushed (regular)
13. introduce – introduced (regular)
14. shout – shouted (regular)
15. walk – walked (regular)
16. give – gave (irregular)
17. die – died (regular)
18. say – said (irregular)
Ответ: см. решение