1
be
be-was/were-been
arrive
arrived-arrived-arrived
cross
crossed-crossed
listen
listen-listened-listened
go
go-went-gone
choose
chose-chosen
see
see/saw/seen
hear
hear-heard-heard
eat
ate-eaten
study
study/studied/studied
leave
leave-left-left
fall
fell-fallen
get
get/got/got
visit
visited-visited
fly
flew-flown