English verb conjugation MUST STUMP

Regular verb: stump - stumped - stumped

Affirmation

Simple form

I must stump
you must stump
he must stump
we must stump
you must stump
they must stump

V-ing form

I must be stumping
you must be stumping
he must be stumping
we must be stumping
you must be stumping
they must be stumping

Perfect

I must have stumped
you must have stumped
he must have stumped
we must have stumped
you must have stumped
they must have stumped

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I stump?
must you stump?
must he stump?
must we stump?
must you stump?
must they stump?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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