English verb conjugation MUST RETROGRADE

Regular verb: retrograde - retrograded - retrograded

Affirmation

Simple form

I must retrograde
you must retrograde
he must retrograde
we must retrograde
you must retrograde
they must retrograde

V-ing form

I must be retrograding
you must be retrograding
he must be retrograding
we must be retrograding
you must be retrograding
they must be retrograding

Perfect

I must have retrograded
you must have retrograded
he must have retrograded
we must have retrograded
you must have retrograded
they must have retrograded

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I retrograde?
must you retrograde?
must he retrograde?
must we retrograde?
must you retrograde?
must they retrograde?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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