К разряду вспомогательных глаголов относятся to be, to have, to do, shall, will, should, would. Модальные глаголы употребляются для выражения не самого действия, а отношения к действию. К разряду модальных глаголов относятся: can, could, must, may, might, ought, need, used, а также be, have, do, shall, should, will, would.

Список вспомогательных и модальных глаголов в английском языке

Глаголы Infinitive Present Tense Past Tense Past Participle
be to be am, is, are was, were been
have to have have, has had had
do to do do, does did done
can to be able can
am/is/are able
could
was/were able
been able
may may might
must (to have to) must had to had to
need to need need needed needed
will will would
shall shall should
ought to dare dare dared dared
used used