. Irregular verbs.

be	Was/were	Been	Ser/estar
Beat	Beat	Beaten	Palpitar
Become	Became	Become	Convertir
Begin	Began	Begun	Comenzar
Bend	Bent	Bent	Doblar
Bet	Bet	bent	Apuesta
Bite	Bit	Bitten	Morder
Blow	Blew	Blown	Soplar
Break	Broke	Broken	Romper
Bring	Brought	Brought	Traer
Build	Built	Built	Construir
Burn	Burned	Burned	Quemar
Burst	Burst	Burst	Estallar
Buy	Bought	Bought	Comprar
Can	Could	(been able)	Poder
Catch	Caught	Caught	Atrapar
Choose	Chose	Chosen	Escoger
Come	Came	Come	Venir
Cost	Cost	Cost	Costar
Cut	Cut	Cut	Cortar
Deal	Dealt	Dealt	Comerciar
Do	Did	Done	Hacer
Draw	Drew	Drawn	Dibujar
Dream	Dreamed	Dreamed	Soñar
Drink	Drank	Drunk	Tomar
Drive	Drove	Driven	Conducir
Eat	Ate	eaten	Comer
Fall	Fell	Fallen	Caer
Feed	Fed	Fed	Alimentar
Feel	Felt	Felt	Sentir
Fight	Fought	Fought	Pelear
Find	Found	Found	Encontrar
Fly	Flew	Flown	Volar