Here is a chart of Irregular verbs I must know by heart.
Infinitive Past Simple Past Participle Meaning
Be Was/were Been Ser e estarBecomeBeginBreakBringBuildburnCatchChooseComeCutDoDrawDreamDrinkDriveEatFallFeelFightFindForgetForgiveFlyGetGiveGoGrowHaveHearKeepKnowlay
LearnLeaveLetLoseMakeMeetPayPutReadRideRingRunSaySeeSellSendShowShutSingSitSleepSpeakSpendStealSwimTakeTeachTellThinkUnderstandWakeWearWinwrite