English verb conjugation MUST DUMBFOUND

Regular verb: dumbfound - dumbfounded - dumbfounded

Affirmation

Simple form

I must dumbfound
you must dumbfound
he must dumbfound
we must dumbfound
you must dumbfound
they must dumbfound

V-ing form

I must be dumbfounding
you must be dumbfounding
he must be dumbfounding
we must be dumbfounding
you must be dumbfounding
they must be dumbfounding

Perfect

I must have dumbfounded
you must have dumbfounded
he must have dumbfounded
we must have dumbfounded
you must have dumbfounded
they must have dumbfounded

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I dumbfound?
must you dumbfound?
must he dumbfound?
must we dumbfound?
must you dumbfound?
must they dumbfound?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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