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