CAN - COULD - BEEN ABLE
BITE - BIT - BITTEN
BREAK - BROKE - BROKEN
BE - WAS/WERE - BEEN
BRING - BROUGHT - BROUGHT
BEGIN - BEGAN - BEGUN
BUY - BOUGHT - BOUGHT
BUILD - BUILT - BUILT
BLOW - BLEW - BLOWN
BECOME - BECAME - BECOME
LLEVAR/TRAER
MORDER
PODER
SER/ESTAR
SOPLAR
CONSTRUIR
COMPRAR
ROMPER
LLEGAR A SER - CONVERTIRSE
EMPEZAR / COMENZAR