English verb conjugation MUST INTRODUCE

Regular verb: introduce - introduced - introduced

Affirmation

Simple form

I must introduce
you must introduce
he must introduce
we must introduce
you must introduce
they must introduce

V-ing form

I must be introducing
you must be introducing
he must be introducing
we must be introducing
you must be introducing
they must be introducing

Perfect

I must have introduced
you must have introduced
he must have introduced
we must have introduced
you must have introduced
they must have introduced

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I introduce?
must you introduce?
must he introduce?
must we introduce?
must you introduce?
must they introduce?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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