English verb conjugation MUST DEVALUE

Regular verb: devalue - devalued - devalued

Affirmation

Simple form

I must devalue
you must devalue
he must devalue
we must devalue
you must devalue
they must devalue

V-ing form

I must be devaluing
you must be devaluing
he must be devaluing
we must be devaluing
you must be devaluing
they must be devaluing

Perfect

I must have devalued
you must have devalued
he must have devalued
we must have devalued
you must have devalued
they must have devalued

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I devalue?
must you devalue?
must he devalue?
must we devalue?
must you devalue?
must they devalue?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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