am/is-was are- were bear-born beat-beat become-became begin-began break-broke bring-brought build-built buy-bought can-could catch- caught come-came cost-cost cut-cut do/does-did draw-drew drink-drank drive-drove eat-ate fall-fell feed-fed feel-felt fight-fought find-found
fly-flew forget-forgot get-got freeze-froze give -gave go -went grow-grew hang-hanged /hung have/has-had hear-heard hold-held hurt-hurt keep-kept know-knew lay-laid这里只是一少部分.你可以在英语词典里找,如果没词典,初三课本后也有 的.
