English verb conjugation MUST DUPE

Regular verb: dupe - duped - duped

Affirmation

Simple form

I must dupe
you must dupe
he must dupe
we must dupe
you must dupe
they must dupe

V-ing form

I must be duping
you must be duping
he must be duping
we must be duping
you must be duping
they must be duping

Perfect

I must have duped
you must have duped
he must have duped
we must have duped
you must have duped
they must have duped

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I dupe?
must you dupe?
must he dupe?
must we dupe?
must you dupe?
must they dupe?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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