to forget
to forget - forgot - forgot
to dig
to dig - dug - dug
to say
to say - said - said
to go
to go - went - gone
to put
to put - put - put
to have
to have - had - had
to find
to find - found - found
to take
to take - took - taken
to hear
to hear - heard - heard
to get
to get - got - got
to be
to be - was/were - been
to come
to come - came - come
to know
to know - knew - known