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 mayn't countersign
you mayn't countersign
she mayn't countersign
we mayn't countersign
you mayn't countersign
they mayn't countersign

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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