Ser y estar
Be was were
Convertirse
Become became become
Empezar
Begin began begun
Sangrar
Bleed Bled bled
Romper
Break broke broken
Traer
Bring brought brought
Construir
Build built built
Quemar
Burn burnt burnt
Comprar
Buy bought bought
Proyectar
Cast cast cast
Atrapar
Catch caught caught
Elegir
Choose chose chosen
Venir
Come came come
Costar
Cost cost cost
Cortar
Cut cut cut
Hacer
Do did done
