Irregular Past Principle

atraer

atraido (to attract)

caer

caido (to fall)

creer

creido (to believe)

leer

leido (to read)

oir

oido (to hear)

poseer

poseido (to possess)

sonreir

sonreido (to smile)

traer

traido (to bring)

abrir

abierto (to open)

cubrir

cubierto (to cover)

decir

dicho (to say, tell)

describir

descrito (to describe)

descubrir

descubierto (to discover)

devolver

devuelto (to return)

disolver

disuelto (to dissolve)

envolver

envuelto (to wrap)

escribir

escrito (to write)

freir

frito (to fry)

hacer

hecho (to make, do)

morir

muerto (to die)

oponer

opuesto (to oppose)

poner

puesto (to put)

proveer

provisto (to provide)

podrir

podrido (to rot)

resolver

resuelto (to resolve)

Romper

roto (to break)

Ver

visto (to see)

volver

vuelto (to return)