SWEEP
SWEPT
CLIMB
CLIMBED
SWIM
SWAM
WRITE
WROTE
LEARN
LEARNT
HIDE
HID
EAT
ATE
LEAVE
LEFT
DANCE
DANCED
FALL
FELL
CRY
CRIED
FIGHT
FOUGHT
SIT
SAT
SLEEP
SLEPT
READ
READ (RED)
WASH
WASHED
RUN
RAN
CATCH
CAUGHT
TEACH
TAUGHT
RIDE
RODE
SING
SANG
LOSE
LOST
LAUGH
LAUGHED
THINK
THOUGHT