English verb conjugation
MUST DEVALUE

Regular verb: devalue - devalued - devalued

Affirmation

Simple form	V-ing form
I must devalue you must devalue she must devalue we must devalue you must devalue they must devalue	I must be devaluing you must be devaluing she must be devaluing we must be devaluing you must be devaluing they must be devaluing
Perfect	V-ing perfect
I must have devalued you must have devalued she must have devalued we must have devalued you must have devalued they must have devalued	I must have been devaluing you must have been devaluing she must have been devaluing we must have been devaluing you must have been devaluing they must have been devaluing

Negation

Simple form	V-ing form
I mustn't devalue you mustn't devalue she mustn't devalue we mustn't devalue you mustn't devalue they mustn't devalue	I mustn't be devaluing you mustn't be devaluing she mustn't be devaluing we mustn't be devaluing you mustn't be devaluing they mustn't be devaluing
Perfect	V-ing perfect
I mustn't have devalued you mustn't have devalued she mustn't have devalued we mustn't have devalued you mustn't have devalued they mustn't have devalued	I mustn't have been devaluing you mustn't have been devaluing she 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	V-ing form
must I devalue? must you devalue? must she devalue? must we devalue? must you devalue? must they devalue?	must I be devaluing? must you be devaluing? must she be devaluing? must we be devaluing? must you be devaluing? must they be devaluing?
Perfect	V-ing perfect
must I have devalued? must you have devalued? must she have devalued? must we have devalued? must you have devalued? must they have devalued?	must I have been devaluing? must you have been devaluing? must she have been devaluing? must we have been devaluing? must you have been devaluing? must they have been devaluing?

Interro-negative form

Simple form	V-ing form
mustn't I devalue? mustn't you devalue? mustn't she devalue? mustn't we devalue? mustn't you devalue? mustn't they devalue?	mustn't I be devaluing? mustn't you be devaluing? mustn't she be devaluing? mustn't we be devaluing? mustn't you be devaluing? mustn't they be devaluing?
Perfect	V-ing perfect
mustn't I have devalued? mustn't you have devalued? mustn't she have devalued? mustn't we have devalued? mustn't you have devalued? mustn't they have devalued?	mustn't I have been devaluing? mustn't you have been devaluing? mustn't she have been devaluing? mustn't we have been devaluing? mustn't you have been devaluing? mustn't they have been devaluing?