STUDY
STUDIED / STUDIED
SING
SANG / SUNG
LAUGH
LAUGHED / LAUGHED
EAT
ATE / EATEN
ANSWER
ANSWERED / ANSWERED
WRITE
WROTE / WRITTEN
GO
WENT / GONE
DRINK
DRANK / DRUNK
SWIM
SWAM / SWUM
SEE
SAW / SEEN
WALK
WALKED / WALKED
HAVE
HAD / HAD
WAIT
WAITED / WAITED
COOK
COOKED / COOKED
DO
DID / DONE
NEED
NEEDED / NEEDED
WANT
WANTED / WANTED
CRY
CRIED / CRIED
BE
WAS - WERE / BEEN