A)
Be-Was/were (irregular)
Decide-decided (regular)
Have-had(irregular)
Get-got (irregular)
Knock-knocked(regular)
Answer-answered (regular)
Open-opened(regular)
Hear-heard (irregular)
Jump-jumped (regular)
Turn-turned(regular)
See-saw (irregular)
Rush-rushed (regular)
Introduce-introduced (regular)
Shout-shouted (regular)
Walk-walked(regular)
Give-gave (irregular)
Die-died(regular)
Say-said (irregular)
B)
1.Heard
2.saw
3.had
4.Said
5.was