could deionise
Verbo regular: deionise - deionised- deionised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could deionise
you could deionise
he could deionise
we could deionise
you could deionise
they could deionise 	I could be deionising
you could be deionising
he could be deionising
we could be deionising
you could be deionising
they could be deionising	I could have deionised
you could have deionised
he could have deionised
we could have deionised
you could have deionised
they could have deionised	I could have been deionising
you could have been deionising
he could have been deionising
we could have been deionising
you could have been deionising
they could have been deionising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't deionise
you couldn't deionise
he couldn't deionise
we couldn't deionise
you couldn't deionise
they couldn't deionise 	I couldn't be deionising
you couldn't be deionising
he couldn't be deionising
we couldn't be deionising
you couldn't be deionising
they couldn't be deionising	I couldn't have deionised
you couldn't have deionised
he couldn't have deionised
we couldn't have deionised
you couldn't have deionised
they couldn't have deionised	I couldn't have been deionising
you couldn't have been deionising
he couldn't have been deionising
we couldn't have been deionising
you couldn't have been deionising
they couldn't have been deionising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I deionise?
could you deionise?
could he deionise?
could we deionise?
could you deionise?
could they deionise? 	could I be deionising?
could you be deionising?
could he be deionising?
could we be deionising?
could you be deionising?
could they be deionising? 	could I have deionised?
could you have deionised?
could he have deionised?
could we have deionised?
could you have deionised?
could they have deionised? 	could I have been deionising?
could you have been deionising?
could he have been deionising?
could we have been deionising?
could you have been deionising?
could they have been deionising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I deionise?
couldn't you deionise?
couldn't he deionise?
couldn't we deionise?
couldn't you deionise?
couldn't they deionise? 	couldn't I be deionising?
couldn't you be deionising?
couldn't he be deionising?
couldn't we be deionising?
couldn't you be deionising?
couldn't they be deionising? 	couldn't I have deionised?
couldn't you have deionised?
couldn't he have deionised?
couldn't we have deionised?
couldn't you have deionised?
couldn't they have deionised? 	couldn't I have been deionising?
couldn't you have been deionising?
couldn't he have been deionising?
couldn't we have been deionising?
couldn't you have been deionising?
couldn't they have been deionising?