LIDERAR
APRENDER
TUMBARSE - YACER
COMER
CAER
ALIMENTAR
BEBER
CONOCER
MANTENER
CONDUCIR
KNOW /KNEW / KNOWN
EAT /EAT / EATEN
DRIVE / DROVE /DRIVEN
FEED / FED / FED
DRINK / DRANK / DRUNK
LEARN / LEARNT- LEARNED / LEARNT- LEARNED
FALL / FELL / FALLEN
LEAD / LED / LED
LAY / LAID / LAID
KEEP / KEPT /KEPT