must desulferize
Verbe régulier : desulferize - desulferized- desulferized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must desulferize
you must desulferize
she must desulferize
we must desulferize
you must desulferize
they must desulferize 	I must be desulferizing
you must be desulferizing
she must be desulferizing
we must be desulferizing
you must be desulferizing
they must be desulferizing	I must have desulferized
you must have desulferized
she must have desulferized
we must have desulferized
you must have desulferized
they must have desulferized	I must have been desulferizing
you must have been desulferizing
she must have been desulferizing
we must have been desulferizing
you must have been desulferizing
they must have been desulferizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't desulferize
you mustn't desulferize
she mustn't desulferize
we mustn't desulferize
you mustn't desulferize
they mustn't desulferize 	I mustn't be desulferizing
you mustn't be desulferizing
she mustn't be desulferizing
we mustn't be desulferizing
you mustn't be desulferizing
they mustn't be desulferizing	I mustn't have desulferized
you mustn't have desulferized
she mustn't have desulferized
we mustn't have desulferized
you mustn't have desulferized
they mustn't have desulferized	I mustn't have been desulferizing
you mustn't have been desulferizing
she mustn't have been desulferizing
we mustn't have been desulferizing
you mustn't have been desulferizing
they mustn't have been desulferizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I desulferize?
must you desulferize?
must she desulferize?
must we desulferize?
must you desulferize?
must they desulferize? 	must I be desulferizing?
must you be desulferizing?
must she be desulferizing?
must we be desulferizing?
must you be desulferizing?
must they be desulferizing? 	must I have desulferized?
must you have desulferized?
must she have desulferized?
must we have desulferized?
must you have desulferized?
must they have desulferized? 	must I have been desulferizing?
must you have been desulferizing?
must she have been desulferizing?
must we have been desulferizing?
must you have been desulferizing?
must they have been desulferizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I desulferize?
mustn't you desulferize?
mustn't she desulferize?
mustn't we desulferize?
mustn't you desulferize?
mustn't they desulferize? 	mustn't I be desulferizing?
mustn't you be desulferizing?
mustn't she be desulferizing?
mustn't we be desulferizing?
mustn't you be desulferizing?
mustn't they be desulferizing? 	mustn't I have desulferized?
mustn't you have desulferized?
mustn't she have desulferized?
mustn't we have desulferized?
mustn't you have desulferized?
mustn't they have desulferized? 	mustn't I have been desulferizing?
mustn't you have been desulferizing?
mustn't she have been desulferizing?
mustn't we have been desulferizing?
mustn't you have been desulferizing?
mustn't they have been desulferizing?