English verb conjugation MUST AIRMAIL

Regular verb: airmail - airmailed - airmailed

Affirmation

Simple form

I must airmail
you must airmail
he must airmail
we must airmail
you must airmail
they must airmail

V-ing form

I must be airmailing
you must be airmailing
he must be airmailing
we must be airmailing
you must be airmailing
they must be airmailing

Perfect

I must have airmailed
you must have airmailed
he must have airmailed
we must have airmailed
you must have airmailed
they must have airmailed

V-ing perfect

I must have been airmailing
you must have been airmailing
he must have been airmailing
we must have been airmailing
you must have been airmailing
they must have been airmailing

Negation

Simple form

I mustn't airmail
you mustn't airmail
he mustn't airmail
we mustn't airmail
you mustn't airmail
they mustn't airmail

V-ing form

I mustn't be airmailing
you mustn't be airmailing
he mustn't be airmailing
we mustn't be airmailing
you mustn't be airmailing
they mustn't be airmailing

Perfect

I mustn't have airmailed
you mustn't have airmailed
he mustn't have airmailed
we mustn't have airmailed
you mustn't have airmailed
they mustn't have airmailed

V-ing perfect

I mustn't have been airmailing
you mustn't have been airmailing
he mustn't have been airmailing
we mustn't have been airmailing
you mustn't have been airmailing
they mustn't have been airmailing

Interrogative form

Simple form

must I airmail?
must you airmail?
must he airmail?
must we airmail?
must you airmail?
must they airmail?

V-ing form

must I be airmailing?
must you be airmailing?
must he be airmailing?
must we be airmailing?
must you be airmailing?
must they be airmailing?

Perfect

must I have airmailed?
must you have airmailed?
must he have airmailed?
must we have airmailed?
must you have airmailed?
must they have airmailed?

V-ing perfect

must I have been airmailing?
must you have been airmailing?
must he have been airmailing?
must we have been airmailing?
must you have been airmailing?
must they have been airmailing?

Interro-negative form

Simple form

mustn't I airmail?
mustn't you airmail?
mustn't he airmail?
mustn't we airmail?
mustn't you airmail?
mustn't they airmail?

V-ing form

mustn't I be airmailing?
mustn't you be airmailing?
mustn't he be airmailing?
mustn't we be airmailing?
mustn't you be airmailing?
mustn't they be airmailing?

Perfect

mustn't I have airmailed?
mustn't you have airmailed?
mustn't he have airmailed?
mustn't we have airmailed?
mustn't you have airmailed?
mustn't they have airmailed?

V-ing perfect

mustn't I have been airmailing?
mustn't you have been airmailing?
mustn't he have been airmailing?
mustn't we have been airmailing?
mustn't you have been airmailing?
mustn't they have been airmailing?

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