PAY
PAID
DRINK
DRANK
BUILD
BUILT
FLY
FLEW
THINK
THOUGHT
UNDERSTAND
UNDERSTOOD
SING
SANG
READ
READ
BE
WAS / WERE
FIND
FOUND
BECOME
BECAME
LOSE
LOST
BREAK
BROKE
LIE (in bed)
LAY
COME
CAME
SEE
SAW
CHOOSE
CHOSE
GIVE
GAVE
WRITE
WROTE
THROW
THREW
FALL
FELL
DRIVE
DROVE
LEND
LENT
KNOW
KNEW
CATCH
CAUGHT
SELL
SOLD
RUN
RAN
SLEEP
SLEPT
CUT
CUT
EAT
ATE
FORGET
FORGOT
BEGIN
BEGAN
TEACH
TAUGHT
RIDE
RODE
SPEAK
SPOKE
MEET
MET
GROW
GREW
DO
DID
HEAR
HEARD
COST
COST
FEEL
FELT
CAN
COULD
HAVE
HAD
BUY
BOUGHT
SAY
SAID
BRING
BROUGHT
DRAW
DREW
WIN
WON
SPEND
SPENT