English verb conjugation MUST FLUTTER

Regular verb: flutter - fluttered - fluttered

Affirmation

Simple form

I must flutter
you must flutter
he must flutter
we must flutter
you must flutter
they must flutter

V-ing form

I must be fluttering
you must be fluttering
he must be fluttering
we must be fluttering
you must be fluttering
they must be fluttering

Perfect

I must have fluttered
you must have fluttered
he must have fluttered
we must have fluttered
you must have fluttered
they must have fluttered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I flutter?
must you flutter?
must he flutter?
must we flutter?
must you flutter?
must they flutter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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