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