The Conjugator
English verb conjugation
MUST FLABBERGAST

Regular verb: flabbergast - flabbergasted - flabbergasted

Affirmation

Simple form

V-ing form

I must flabbergast
you must flabbergast
she must flabbergast
we must flabbergast
you must flabbergast
they must flabbergast
I must be flabbergasting
you must be flabbergasting
she must be flabbergasting
we must be flabbergasting
you must be flabbergasting
they must be flabbergasting

Perfect

V-ing perfect

I must have flabbergasted
you must have flabbergasted
she must have flabbergasted
we must have flabbergasted
you must have flabbergasted
they must have flabbergasted
I must have been flabbergasting
you must have been flabbergasting
she must have been flabbergasting
we must have been flabbergasting
you must have been flabbergasting
they must have been flabbergasting

Negation

Simple form

V-ing form

I mustn't flabbergast
you mustn't flabbergast
she mustn't flabbergast
we mustn't flabbergast
you mustn't flabbergast
they mustn't flabbergast
I mustn't be flabbergasting
you mustn't be flabbergasting
she mustn't be flabbergasting
we mustn't be flabbergasting
you mustn't be flabbergasting
they mustn't be flabbergasting

Perfect

V-ing perfect

I mustn't have flabbergasted
you mustn't have flabbergasted
she mustn't have flabbergasted
we mustn't have flabbergasted
you mustn't have flabbergasted
they mustn't have flabbergasted
I mustn't have been flabbergasting
you mustn't have been flabbergasting
she mustn't have been flabbergasting
we mustn't have been flabbergasting
you mustn't have been flabbergasting
they mustn't have been flabbergasting

Interrogative form

Simple form

V-ing form

must I flabbergast?
must you flabbergast?
must she flabbergast?
must we flabbergast?
must you flabbergast?
must they flabbergast?
must I be flabbergasting?
must you be flabbergasting?
must she be flabbergasting?
must we be flabbergasting?
must you be flabbergasting?
must they be flabbergasting?

Perfect

V-ing perfect

must I have flabbergasted?
must you have flabbergasted?
must she have flabbergasted?
must we have flabbergasted?
must you have flabbergasted?
must they have flabbergasted?
must I have been flabbergasting?
must you have been flabbergasting?
must she have been flabbergasting?
must we have been flabbergasting?
must you have been flabbergasting?
must they have been flabbergasting?

Interro-negative form

Simple form

V-ing form

mustn't I flabbergast?
mustn't you flabbergast?
mustn't she flabbergast?
mustn't we flabbergast?
mustn't you flabbergast?
mustn't they flabbergast?
mustn't I be flabbergasting?
mustn't you be flabbergasting?
mustn't she be flabbergasting?
mustn't we be flabbergasting?
mustn't you be flabbergasting?
mustn't they be flabbergasting?

Perfect

V-ing perfect

mustn't I have flabbergasted?
mustn't you have flabbergasted?
mustn't she have flabbergasted?
mustn't we have flabbergasted?
mustn't you have flabbergasted?
mustn't they have flabbergasted?
mustn't I have been flabbergasting?
mustn't you have been flabbergasting?
mustn't she have been flabbergasting?
mustn't we have been flabbergasting?
mustn't you have been flabbergasting?
mustn't they have been flabbergasting?