English verb conjugation MAY COUNTERSIGN

Regular verb: countersign - countersigned - countersigned

Affirmation

Simple form

I may countersign
you may countersign
he may countersign
we may countersign
you may countersign
they may countersign

V-ing form

I may be countersigning
you may be countersigning
he may be countersigning
we may be countersigning
you may be countersigning
they may be countersigning

Perfect

I may have countersigned
you may have countersigned
he 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
he 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
he 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
he 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
he 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
he 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 he countersign?
may we countersign?
may you countersign?
may they countersign?

V-ing form

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

Perfect

may I have countersigned?
may you have countersigned?
may he 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 he 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 he 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 he 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 he 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 he 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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