know
knew -known
lose
lost lost
speak
spoke -spoken
catch
caught -caught
hide
hid-hidden
hang
hung -hung
build
built -built
be
was-were
grow
grew -grown
hear
heard-heard
have
had -had
wear
wore-worn
understand
undrrstood -understood
throw
threw -thrown
can
could
leave
left -left
break
broke -broken
think
thought -thought
lead
led-led