KNOW - KNEW -
KNOWN
FLY - FLEW -
FLOWN
BUY - BOUGHT -
BOUGHT
FORGET - FORGOT -
FORGOTTEN
GO - WENT -
GONE
DRIVE - DROVE -
DRIVEN
BUILD - BUILT -
BUILT
DO - DID -
DONE
CUT - CUT -
CUT
BE - WAS / WERE
been
BITE - BIT -
BITTEN
SEND - SENT -
SENT
FIGHT - FOUGHT -
FOUGHT
LEARN - LEARNED / LEARNT -
LEARNED / LEARNT
DRINK - DRANK -
DRUNK
MEET - MET -
MET
EAT - ATE -
EATEN
SELL - SOLD -
SOLD
TEACH - TAUGHT -
TAUGHT
FEEL - FELT -
FELT
FALL - FELL
FALLEN
COME - CAME -
COME