must devaluate
Verbe régulier : devaluate - devaluated- devaluated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must devaluate
you must devaluate
she must devaluate
we must devaluate
you must devaluate
they must devaluate 	I must be devaluating
you must be devaluating
she must be devaluating
we must be devaluating
you must be devaluating
they must be devaluating	I must have devaluated
you must have devaluated
she must have devaluated
we must have devaluated
you must have devaluated
they must have devaluated	I must have been devaluating
you must have been devaluating
she must have been devaluating
we must have been devaluating
you must have been devaluating
they must have been devaluating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't devaluate
you mustn't devaluate
she mustn't devaluate
we mustn't devaluate
you mustn't devaluate
they mustn't devaluate 	I mustn't be devaluating
you mustn't be devaluating
she mustn't be devaluating
we mustn't be devaluating
you mustn't be devaluating
they mustn't be devaluating	I mustn't have devaluated
you mustn't have devaluated
she mustn't have devaluated
we mustn't have devaluated
you mustn't have devaluated
they mustn't have devaluated	I mustn't have been devaluating
you mustn't have been devaluating
she mustn't have been devaluating
we mustn't have been devaluating
you mustn't have been devaluating
they mustn't have been devaluating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I devaluate?
must you devaluate?
must she devaluate?
must we devaluate?
must you devaluate?
must they devaluate? 	must I be devaluating?
must you be devaluating?
must she be devaluating?
must we be devaluating?
must you be devaluating?
must they be devaluating? 	must I have devaluated?
must you have devaluated?
must she have devaluated?
must we have devaluated?
must you have devaluated?
must they have devaluated? 	must I have been devaluating?
must you have been devaluating?
must she have been devaluating?
must we have been devaluating?
must you have been devaluating?
must they have been devaluating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I devaluate?
mustn't you devaluate?
mustn't she devaluate?
mustn't we devaluate?
mustn't you devaluate?
mustn't they devaluate? 	mustn't I be devaluating?
mustn't you be devaluating?
mustn't she be devaluating?
mustn't we be devaluating?
mustn't you be devaluating?
mustn't they be devaluating? 	mustn't I have devaluated?
mustn't you have devaluated?
mustn't she have devaluated?
mustn't we have devaluated?
mustn't you have devaluated?
mustn't they have devaluated? 	mustn't I have been devaluating?
mustn't you have been devaluating?
mustn't she have been devaluating?
mustn't we have been devaluating?
mustn't you have been devaluating?
mustn't they have been devaluating?