English verb conjugation MUST WHIFFLE

Regular verb: whiffle - whiffled - whiffled

Affirmation

Simple form

I must whiffle
you must whiffle
he must whiffle
we must whiffle
you must whiffle
they must whiffle

V-ing form

I must be whiffling
you must be whiffling
he must be whiffling
we must be whiffling
you must be whiffling
they must be whiffling

Perfect

I must have whiffled
you must have whiffled
he must have whiffled
we must have whiffled
you must have whiffled
they must have whiffled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I whiffle?
must you whiffle?
must he whiffle?
must we whiffle?
must you whiffle?
must they whiffle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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