could immaterialise
Verbo regular: immaterialise - immaterialised- immaterialised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not immaterialise
you could not immaterialise
he could not immaterialise
we could not immaterialise
you could not immaterialise
they could not immaterialise 	I could not be immaterialising
you could not be immaterialising
he could not be immaterialising
we could not be immaterialising
you could not be immaterialising
they could not be immaterialising	I could not have immaterialised
you could not have immaterialised
he could not have immaterialised
we could not have immaterialised
you could not have immaterialised
they could not have immaterialised	I could not have been immaterialising
you could not have been immaterialising
he could not have been immaterialising
we could not have been immaterialising
you could not have been immaterialising
they could not have been immaterialising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not immaterialise?
could you not immaterialise?
could he not immaterialise?
could we not immaterialise?
could you not immaterialise?
could they not immaterialise? 	could I not be immaterialising?
could you not be immaterialising?
could he not be immaterialising?
could we not be immaterialising?
could you not be immaterialising?
could they not be immaterialising? 	could I not have immaterialised?
could you not have immaterialised?
could he not have immaterialised?
could we not have immaterialised?
could you not have immaterialised?
could they not have immaterialised? 	could I not have been immaterialising?
could you not have been immaterialising?
could he not have been immaterialising?
could we not have been immaterialising?
could you not have been immaterialising?
could they not have been immaterialising?