English verb conjugation MUST FAX

Regular verb: fax - faxed - faxed

Affirmation

Simple form

I must fax
you must fax
he must fax
we must fax
you must fax
they must fax

V-ing form

I must be faxing
you must be faxing
he must be faxing
we must be faxing
you must be faxing
they must be faxing

Perfect

I must have faxed
you must have faxed
he must have faxed
we must have faxed
you must have faxed
they must have faxed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I fax?
must you fax?
must he fax?
must we fax?
must you fax?
must they fax?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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