English verb conjugation MUST WHIR

Regular verb: whir - whired - whired

Affirmation

Simple form

I must whir
you must whir
he must whir
we must whir
you must whir
they must whir

V-ing form

I must be whiring
you must be whiring
he must be whiring
we must be whiring
you must be whiring
they must be whiring

Perfect

I must have whired
you must have whired
he must have whired
we must have whired
you must have whired
they must have whired

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I whir?
must you whir?
must he whir?
must we whir?
must you whir?
must they whir?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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