English verb conjugation MAY CERTIFY

Regular verb: certify - certified - certified

Affirmation

Simple form

I may certify
you may certify
she may certify
we may certify
you may certify
they may certify

V-ing form

I may be certifying
you may be certifying
she may be certifying
we may be certifying
you may be certifying
they may be certifying

Perfect

I may have certified
you may have certified
she may have certified
we may have certified
you may have certified
they may have certified

V-ing perfect

I may have been certifying
you may have been certifying
she may have been certifying
we may have been certifying
you may have been certifying
they may have been certifying

Negation

Simple form

I mayn't certify
you mayn't certify
she mayn't certify
we mayn't certify
you mayn't certify
they mayn't certify

V-ing form

I mayn't be certifying
you mayn't be certifying
she mayn't be certifying
we mayn't be certifying
you mayn't be certifying
they mayn't be certifying

Perfect

I mayn't have certified
you mayn't have certified
she mayn't have certified
we mayn't have certified
you mayn't have certified
they mayn't have certified

V-ing perfect

I mayn't have been certifying
you mayn't have been certifying
she mayn't have been certifying
we mayn't have been certifying
you mayn't have been certifying
they mayn't have been certifying

Interrogative form

Simple form

may I certify?
may you certify?
may she certify?
may we certify?
may you certify?
may they certify?

V-ing form

may I be certifying?
may you be certifying?
may she be certifying?
may we be certifying?
may you be certifying?
may they be certifying?

Perfect

may I have certified?
may you have certified?
may she have certified?
may we have certified?
may you have certified?
may they have certified?

V-ing perfect

may I have been certifying?
may you have been certifying?
may she have been certifying?
may we have been certifying?
may you have been certifying?
may they have been certifying?

Interro-negative form

Simple form

mayn't I certify?
mayn't you certify?
mayn't she certify?
mayn't we certify?
mayn't you certify?
mayn't they certify?

V-ing form

mayn't I be certifying?
mayn't you be certifying?
mayn't she be certifying?
mayn't we be certifying?
mayn't you be certifying?
mayn't they be certifying?

Perfect

mayn't I have certified?
mayn't you have certified?
mayn't she have certified?
mayn't we have certified?
mayn't you have certified?
mayn't they have certified?

V-ing perfect

mayn't I have been certifying?
mayn't you have been certifying?
mayn't she have been certifying?
mayn't we have been certifying?
mayn't you have been certifying?
mayn't they have been certifying?

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