Infinitive: drinkSimple Past: drankPast Participle: have drunk
Infinitive: swimSimple Past: swamPast Participle: have swum
Infinitive: eatSimple Past: atePast Participle: have eaten
Infinitive: drink
Simple Past: drank
Past Participle: have drunk
Infinitive: swim
Simple Past: swam
Past Participle: have swum
Infinitive: eat
Simple Past: ate
Past Participle: have eaten