could immaterialize
Verbo regular: immaterialize - immaterialized- immaterialized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could immaterialize
you could immaterialize
he could immaterialize
we could immaterialize
you could immaterialize
they could immaterialize 	I could be immaterializing
you could be immaterializing
he could be immaterializing
we could be immaterializing
you could be immaterializing
they could be immaterializing	I could have immaterialized
you could have immaterialized
he could have immaterialized
we could have immaterialized
you could have immaterialized
they could have immaterialized	I could have been immaterializing
you could have been immaterializing
he could have been immaterializing
we could have been immaterializing
you could have been immaterializing
they could have been immaterializing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't immaterialize
you couldn't immaterialize
he couldn't immaterialize
we couldn't immaterialize
you couldn't immaterialize
they couldn't immaterialize 	I couldn't be immaterializing
you couldn't be immaterializing
he couldn't be immaterializing
we couldn't be immaterializing
you couldn't be immaterializing
they couldn't be immaterializing	I couldn't have immaterialized
you couldn't have immaterialized
he couldn't have immaterialized
we couldn't have immaterialized
you couldn't have immaterialized
they couldn't have immaterialized	I couldn't have been immaterializing
you couldn't have been immaterializing
he couldn't have been immaterializing
we couldn't have been immaterializing
you couldn't have been immaterializing
they couldn't have been immaterializing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I immaterialize?
could you immaterialize?
could he immaterialize?
could we immaterialize?
could you immaterialize?
could they immaterialize? 	could I be immaterializing?
could you be immaterializing?
could he be immaterializing?
could we be immaterializing?
could you be immaterializing?
could they be immaterializing? 	could I have immaterialized?
could you have immaterialized?
could he have immaterialized?
could we have immaterialized?
could you have immaterialized?
could they have immaterialized? 	could I have been immaterializing?
could you have been immaterializing?
could he have been immaterializing?
could we have been immaterializing?
could you have been immaterializing?
could they have been immaterializing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I immaterialize?
couldn't you immaterialize?
couldn't he immaterialize?
couldn't we immaterialize?
couldn't you immaterialize?
couldn't they immaterialize? 	couldn't I be immaterializing?
couldn't you be immaterializing?
couldn't he be immaterializing?
couldn't we be immaterializing?
couldn't you be immaterializing?
couldn't they be immaterializing? 	couldn't I have immaterialized?
couldn't you have immaterialized?
couldn't he have immaterialized?
couldn't we have immaterialized?
couldn't you have immaterialized?
couldn't they have immaterialized? 	couldn't I have been immaterializing?
couldn't you have been immaterializing?
couldn't he have been immaterializing?
couldn't we have been immaterializing?
couldn't you have been immaterializing?
couldn't they have been immaterializing?