female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to
English verb conjugation MUST FIRE
Regular verb: fire - fired - fired
Affirmation
Simple form
I must fireyou must fire
he must fire
we must fire
you must fire
they must fire
V-ing form
I must be firingyou must be firing
he must be firing
we must be firing
you must be firing
they must be firing
Perfect
I must have firedyou must have fired
he must have fired
we must have fired
you must have fired
they must have fired
V-ing perfect
I must have been firingyou must have been firing
he must have been firing
we must have been firing
you must have been firing
they must have been firing
Negation
Simple form
I mustn't fireyou mustn't fire
he mustn't fire
we mustn't fire
you mustn't fire
they mustn't fire
V-ing form
I mustn't be firingyou mustn't be firing
he mustn't be firing
we mustn't be firing
you mustn't be firing
they mustn't be firing
Perfect
I mustn't have firedyou mustn't have fired
he mustn't have fired
we mustn't have fired
you mustn't have fired
they mustn't have fired
V-ing perfect
I mustn't have been firingyou mustn't have been firing
he mustn't have been firing
we mustn't have been firing
you mustn't have been firing
they mustn't have been firing
Interrogative form
Simple form
must I fire?must you fire?
must he fire?
must we fire?
must you fire?
must they fire?
V-ing form
must I be firing?must you be firing?
must he be firing?
must we be firing?
must you be firing?
must they be firing?
Perfect
must I have fired?must you have fired?
must he have fired?
must we have fired?
must you have fired?
must they have fired?
V-ing perfect
must I have been firing?must you have been firing?
must he have been firing?
must we have been firing?
must you have been firing?
must they have been firing?
Interro-negative form
Simple form
mustn't I fire?mustn't you fire?
mustn't he fire?
mustn't we fire?
mustn't you fire?
mustn't they fire?
V-ing form
mustn't I be firing?mustn't you be firing?
mustn't he be firing?
mustn't we be firing?
mustn't you be firing?
mustn't they be firing?
Perfect
mustn't I have fired?mustn't you have fired?
mustn't he have fired?
mustn't we have fired?
mustn't you have fired?
mustn't they have fired?
V-ing perfect
mustn't I have been firing?mustn't you have been firing?
mustn't he have been firing?
mustn't we have been firing?
mustn't you have been firing?
mustn't they have been firing?