a) Look in the text and find the past tense form of the verbs below. Which are regular and which are irregular?

Here are the verbs with their past tense forms and classifications: 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)