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

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

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

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

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