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 must not introduce
you must not introduce
he must not introduce
we must not introduce
you must not introduce
they must not introduce

V-ing form

I must not be introducing
you must not be introducing
he must not be introducing
we must not be introducing
you must not be introducing
they must not be introducing

Perfect

I must not have introduced
you must not have introduced
he must not have introduced
we must not have introduced
you must not have introduced
they must not have introduced

V-ing perfect

I must not have been introducing
you must not have been introducing
he must not have been introducing
we must not have been introducing
you must not have been introducing
they must not 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

must I not introduce?
must you not introduce?
must he not introduce?
must we not introduce?
must you not introduce?
must they not introduce?

V-ing form

must I not be introducing?
must you not be introducing?
must he not be introducing?
must we not be introducing?
must you not be introducing?
must they not be introducing?

Perfect

must I not have introduced?
must you not have introduced?
must he not have introduced?
must we not have introduced?
must you not have introduced?
must they not have introduced?

V-ing perfect

must I not have been introducing?
must you not have been introducing?
must he not have been introducing?
must we not have been introducing?
must you not have been introducing?
must they not have been introducing?

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