be-
was,were-been-ser,estar
beat-
beat-beatten-golpear
become-
became-become-llegar a ser,convertirse
begin-
began-begun-empezar
bend-
bent-bent-doblar(se)
bet-
bet-bet-apostar
bite-
bit-bitten-morder
bleed-
bled-bled-sangrar
blow-
blew-blown-soplar
break-
broke-broken-romper
bring-
brought-brought-traer
build-
built-built-construir
burn-
burnt,burned-burnt,burned-quemar
burst-
burst-burst-reventar,estallar
buy-
bought-bougth-comprar
catch-
caught-caught-coger,agarrar
choose-
chose-chosen-elegir
come-
came-come-venir
cost-
cost-cost-cost-costar
cut-
cut-cut-cortar
deal-
dealt-dealt-comerciar,tratar
dig-
dug-dug-cavar
do-
did-done-hacer
draw-
drew-drawn-dibujar
dream-
dreamt,dreamed-dreamt,dreamed-soñar
drink-
drank-drunk-beber
drive-
drove-driven-conducir
eat-
ate-eaten-comer
fall-
fell-follen-caer(...