English verb conjugation MUST DEMORALISE

Regular verb: demoralise - demoralised - demoralised

Affirmation

Simple form

I must demoralise
you must demoralise
he must demoralise
we must demoralise
you must demoralise
they must demoralise

V-ing form

I must be demoralising
you must be demoralising
he must be demoralising
we must be demoralising
you must be demoralising
they must be demoralising

Perfect

I must have demoralised
you must have demoralised
he must have demoralised
we must have demoralised
you must have demoralised
they must have demoralised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I demoralise?
must you demoralise?
must he demoralise?
must we demoralise?
must you demoralise?
must they demoralise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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