could immaterialise
Verbo regular: immaterialise - immaterialised- immaterialised

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could immaterialise
you could immaterialise
he could immaterialise
we could immaterialise
you could immaterialise
they could immaterialise 	I could be immaterialising
you could be immaterialising
he could be immaterialising
we could be immaterialising
you could be immaterialising
they could be immaterialising	I could have immaterialised
you could have immaterialised
he could have immaterialised
we could have immaterialised
you could have immaterialised
they could have immaterialised	I could have been immaterialising
you could have been immaterialising
he could have been immaterialising
we could have been immaterialising
you could have been immaterialising
they could have been immaterialising	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't immaterialise
you couldn't immaterialise
he couldn't immaterialise
we couldn't immaterialise
you couldn't immaterialise
they couldn't immaterialise 	I couldn't be immaterialising
you couldn't be immaterialising
he couldn't be immaterialising
we couldn't be immaterialising
you couldn't be immaterialising
they couldn't be immaterialising	I couldn't have immaterialised
you couldn't have immaterialised
he couldn't have immaterialised
we couldn't have immaterialised
you couldn't have immaterialised
they couldn't have immaterialised	I couldn't have been immaterialising
you couldn't have been immaterialising
he couldn't have been immaterialising
we couldn't have been immaterialising
you couldn't have been immaterialising
they couldn't have been immaterialising	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I immaterialise?
could you immaterialise?
could he immaterialise?
could we immaterialise?
could you immaterialise?
could they immaterialise? 	could I be immaterialising?
could you be immaterialising?
could he be immaterialising?
could we be immaterialising?
could you be immaterialising?
could they be immaterialising? 	could I have immaterialised?
could you have immaterialised?
could he have immaterialised?
could we have immaterialised?
could you have immaterialised?
could they have immaterialised? 	could I have been immaterialising?
could you have been immaterialising?
could he have been immaterialising?
could we have been immaterialising?
could you have been immaterialising?
could they have been immaterialising? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I immaterialise?
couldn't you immaterialise?
couldn't he immaterialise?
couldn't we immaterialise?
couldn't you immaterialise?
couldn't they immaterialise? 	couldn't I be immaterialising?
couldn't you be immaterialising?
couldn't he be immaterialising?
couldn't we be immaterialising?
couldn't you be immaterialising?
couldn't they be immaterialising? 	couldn't I have immaterialised?
couldn't you have immaterialised?
couldn't he have immaterialised?
couldn't we have immaterialised?
couldn't you have immaterialised?
couldn't they have immaterialised? 	couldn't I have been immaterialising?
couldn't you have been immaterialising?
couldn't he have been immaterialising?
couldn't we have been immaterialising?
couldn't you have been immaterialising?
couldn't they have been immaterialising?