could demineralise
Verbo regular: demineralise - demineralised- demineralised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could demineralise
you could demineralise
he could demineralise
we could demineralise
you could demineralise
they could demineralise 	I could be demineralising
you could be demineralising
he could be demineralising
we could be demineralising
you could be demineralising
they could be demineralising	I could have demineralised
you could have demineralised
he could have demineralised
we could have demineralised
you could have demineralised
they could have demineralised	I could have been demineralising
you could have been demineralising
he could have been demineralising
we could have been demineralising
you could have been demineralising
they could have been demineralising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't demineralise
you couldn't demineralise
he couldn't demineralise
we couldn't demineralise
you couldn't demineralise
they couldn't demineralise 	I couldn't be demineralising
you couldn't be demineralising
he couldn't be demineralising
we couldn't be demineralising
you couldn't be demineralising
they couldn't be demineralising	I couldn't have demineralised
you couldn't have demineralised
he couldn't have demineralised
we couldn't have demineralised
you couldn't have demineralised
they couldn't have demineralised	I couldn't have been demineralising
you couldn't have been demineralising
he couldn't have been demineralising
we couldn't have been demineralising
you couldn't have been demineralising
they couldn't have been demineralising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I demineralise?
could you demineralise?
could he demineralise?
could we demineralise?
could you demineralise?
could they demineralise? 	could I be demineralising?
could you be demineralising?
could he be demineralising?
could we be demineralising?
could you be demineralising?
could they be demineralising? 	could I have demineralised?
could you have demineralised?
could he have demineralised?
could we have demineralised?
could you have demineralised?
could they have demineralised? 	could I have been demineralising?
could you have been demineralising?
could he have been demineralising?
could we have been demineralising?
could you have been demineralising?
could they have been demineralising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I demineralise?
couldn't you demineralise?
couldn't he demineralise?
couldn't we demineralise?
couldn't you demineralise?
couldn't they demineralise? 	couldn't I be demineralising?
couldn't you be demineralising?
couldn't he be demineralising?
couldn't we be demineralising?
couldn't you be demineralising?
couldn't they be demineralising? 	couldn't I have demineralised?
couldn't you have demineralised?
couldn't he have demineralised?
couldn't we have demineralised?
couldn't you have demineralised?
couldn't they have demineralised? 	couldn't I have been demineralising?
couldn't you have been demineralising?
couldn't he have been demineralising?
couldn't we have been demineralising?
couldn't you have been demineralising?
couldn't they have been demineralising?