English verb conjugation MUST STULTIFY

Regular verb: stultify - stultified - stultified

Affirmation

Simple form

I must stultify
you must stultify
he must stultify
we must stultify
you must stultify
they must stultify

V-ing form

I must be stultifying
you must be stultifying
he must be stultifying
we must be stultifying
you must be stultifying
they must be stultifying

Perfect

I must have stultified
you must have stultified
he must have stultified
we must have stultified
you must have stultified
they must have stultified

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I stultify?
must you stultify?
must he stultify?
must we stultify?
must you stultify?
must they stultify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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