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be,am,is was been
are were been
beat beat beaten
bacome became become
begin began bagun
blow blew blown
break broke broken
bring brought brought
build built built
buy bought bought
can could
catch caught caught
choose chose chosen
come came come
cost cost cost
cut cut cut
dig dug dug
do did done
draw drew drawn
drink drank drunk
drive drove driven
eat ate eaten
fall fell fallen
feel felt felt
find found found
fly flew flown
forget