does-doing
palys-playing
writes-writting
swims-swimming
reads-reading
studys-studying
went,going,goes
drank,drinking,drinks
forgot,forgeting,forgets
had,having,has
gave,giving,gives
said,saying,says
came,coming,comes
tasted,tasting,tastes
ate,eating,eats
played,playing,plays
sung,singing,sings
learnt,learning,learns
danced,dancing,dances
washed,washing,washes
saw,seeing,sees
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