English verb conjugation MUST DEMONSTRATE

Regular verb: demonstrate - demonstrated - demonstrated

Affirmation

Simple form

I must demonstrate
you must demonstrate
he must demonstrate
we must demonstrate
you must demonstrate
they must demonstrate

V-ing form

I must be demonstrating
you must be demonstrating
he must be demonstrating
we must be demonstrating
you must be demonstrating
they must be demonstrating

Perfect

I must have demonstrated
you must have demonstrated
he must have demonstrated
we must have demonstrated
you must have demonstrated
they must have demonstrated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I demonstrate?
must you demonstrate?
must he demonstrate?
must we demonstrate?
must you demonstrate?
must they demonstrate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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