English verb conjugation MAY COUNTERSIGN

Regular verb: countersign - countersigned - countersigned

Affirmation

Simple form

I may countersign
you may countersign
she may countersign
we may countersign
you may countersign
they may countersign

V-ing form

I may be countersigning
you may be countersigning
she may be countersigning
we may be countersigning
you may be countersigning
they may be countersigning

Perfect

I may have countersigned
you may have countersigned
she may have countersigned
we may have countersigned
you may have countersigned
they may have countersigned

V-ing perfect

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

Negation

Simple form

I may not countersign
you may not countersign
she may not countersign
we may not countersign
you may not countersign
they may not countersign

V-ing form

I may not be countersigning
you may not be countersigning
she may not be countersigning
we may not be countersigning
you may not be countersigning
they may not be countersigning

Perfect

I may not have countersigned
you may not have countersigned
she may not have countersigned
we may not have countersigned
you may not have countersigned
they may not have countersigned

V-ing perfect

I may not have been countersigning
you may not have been countersigning
she may not have been countersigning
we may not have been countersigning
you may not have been countersigning
they may not have been countersigning

Interrogative form

Simple form

may I countersign?
may you countersign?
may she countersign?
may we countersign?
may you countersign?
may they countersign?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

may I not countersign?
may you not countersign?
may she not countersign?
may we not countersign?
may you not countersign?
may they not countersign?

V-ing form

may I not be countersigning?
may you not be countersigning?
may she not be countersigning?
may we not be countersigning?
may you not be countersigning?
may they not be countersigning?

Perfect

may I not have countersigned?
may you not have countersigned?
may she not have countersigned?
may we not have countersigned?
may you not have countersigned?
may they not have countersigned?

V-ing perfect

may I not have been countersigning?
may you not have been countersigning?
may she not have been countersigning?
may we not have been countersigning?
may you not have been countersigning?
may they not have been countersigning?

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