English verb conjugation MUST MOURN

Regular verb: mourn - mourned - mourned

Affirmation

Simple form

I must mourn
you must mourn
he must mourn
we must mourn
you must mourn
they must mourn

V-ing form

I must be mourning
you must be mourning
he must be mourning
we must be mourning
you must be mourning
they must be mourning

Perfect

I must have mourned
you must have mourned
he must have mourned
we must have mourned
you must have mourned
they must have mourned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I mourn?
must you mourn?
must he mourn?
must we mourn?
must you mourn?
must they mourn?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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