DRINK
DRANK
LISTEN
LISTENED
CLIMB
CLIMBED
LAUGH
LAUGHED
DRAW
DREW
WRITE
WROTE
COOK
COOKED
EAT
ATE
PLAY
PLAYED
SING
SANG
LOOK
LOOKED
CLEAN
CLEANED
KICK
KICKED
THINK
THOUGHT
STUDY
STUDIED
SLEEP
SLEPT
SWIM
SWAM
RIDE
RODE
WATCH
WATCHED
RUN
RAN
TALK
TALKED
CATCH
CAUGHT
READ
READ /RED
FLY
FLEW