must dematerialise
Verbe régulier : dematerialise - dematerialised- dematerialised
Traduction française : (UK) se volatiliser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must dematerialise
you must dematerialise
he must dematerialise
we must dematerialise
you must dematerialise
they must dematerialise 	I must be dematerialising
you must be dematerialising
he must be dematerialising
we must be dematerialising
you must be dematerialising
they must be dematerialising	I must have dematerialised
you must have dematerialised
he must have dematerialised
we must have dematerialised
you must have dematerialised
they must have dematerialised	I must have been dematerialising
you must have been dematerialising
he must have been dematerialising
we must have been dematerialising
you must have been dematerialising
they must have been dematerialising	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't dematerialise
you mustn't dematerialise
he mustn't dematerialise
we mustn't dematerialise
you mustn't dematerialise
they mustn't dematerialise 	I mustn't be dematerialising
you mustn't be dematerialising
he mustn't be dematerialising
we mustn't be dematerialising
you mustn't be dematerialising
they mustn't be dematerialising	I mustn't have dematerialised
you mustn't have dematerialised
he mustn't have dematerialised
we mustn't have dematerialised
you mustn't have dematerialised
they mustn't have dematerialised	I mustn't have been dematerialising
you mustn't have been dematerialising
he mustn't have been dematerialising
we mustn't have been dematerialising
you mustn't have been dematerialising
they mustn't have been dematerialising	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I dematerialise?
must you dematerialise?
must he dematerialise?
must we dematerialise?
must you dematerialise?
must they dematerialise? 	must I be dematerialising?
must you be dematerialising?
must he be dematerialising?
must we be dematerialising?
must you be dematerialising?
must they be dematerialising? 	must I have dematerialised?
must you have dematerialised?
must he have dematerialised?
must we have dematerialised?
must you have dematerialised?
must they have dematerialised? 	must I have been dematerialising?
must you have been dematerialising?
must he have been dematerialising?
must we have been dematerialising?
must you have been dematerialising?
must they have been dematerialising? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I dematerialise?
mustn't you dematerialise?
mustn't he dematerialise?
mustn't we dematerialise?
mustn't you dematerialise?
mustn't they dematerialise? 	mustn't I be dematerialising?
mustn't you be dematerialising?
mustn't he be dematerialising?
mustn't we be dematerialising?
mustn't you be dematerialising?
mustn't they be dematerialising? 	mustn't I have dematerialised?
mustn't you have dematerialised?
mustn't he have dematerialised?
mustn't we have dematerialised?
mustn't you have dematerialised?
mustn't they have dematerialised? 	mustn't I have been dematerialising?
mustn't you have been dematerialising?
mustn't he have been dematerialising?
mustn't we have been dematerialising?
mustn't you have been dematerialising?
mustn't they have been dematerialising?