could quicksilver
Verbe régulier : quicksilver - quicksilvered- quicksilvered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could quicksilver
you could quicksilver
he could quicksilver
we could quicksilver
you could quicksilver
they could quicksilver 	I could be quicksilvering
you could be quicksilvering
he could be quicksilvering
we could be quicksilvering
you could be quicksilvering
they could be quicksilvering	I could have quicksilvered
you could have quicksilvered
he could have quicksilvered
we could have quicksilvered
you could have quicksilvered
they could have quicksilvered	I could have been quicksilvering
you could have been quicksilvering
he could have been quicksilvering
we could have been quicksilvering
you could have been quicksilvering
they could have been quicksilvering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not quicksilver
you could not quicksilver
he could not quicksilver
we could not quicksilver
you could not quicksilver
they could not quicksilver 	I could not be quicksilvering
you could not be quicksilvering
he could not be quicksilvering
we could not be quicksilvering
you could not be quicksilvering
they could not be quicksilvering	I could not have quicksilvered
you could not have quicksilvered
he could not have quicksilvered
we could not have quicksilvered
you could not have quicksilvered
they could not have quicksilvered	I could not have been quicksilvering
you could not have been quicksilvering
he could not have been quicksilvering
we could not have been quicksilvering
you could not have been quicksilvering
they could not have been quicksilvering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I quicksilver?
could you quicksilver?
could he quicksilver?
could we quicksilver?
could you quicksilver?
could they quicksilver? 	could I be quicksilvering?
could you be quicksilvering?
could he be quicksilvering?
could we be quicksilvering?
could you be quicksilvering?
could they be quicksilvering? 	could I have quicksilvered?
could you have quicksilvered?
could he have quicksilvered?
could we have quicksilvered?
could you have quicksilvered?
could they have quicksilvered? 	could I have been quicksilvering?
could you have been quicksilvering?
could he have been quicksilvering?
could we have been quicksilvering?
could you have been quicksilvering?
could they have been quicksilvering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not quicksilver?
could you not quicksilver?
could he not quicksilver?
could we not quicksilver?
could you not quicksilver?
could they not quicksilver? 	could I not be quicksilvering?
could you not be quicksilvering?
could he not be quicksilvering?
could we not be quicksilvering?
could you not be quicksilvering?
could they not be quicksilvering? 	could I not have quicksilvered?
could you not have quicksilvered?
could he not have quicksilvered?
could we not have quicksilvered?
could you not have quicksilvered?
could they not have quicksilvered? 	could I not have been quicksilvering?
could you not have been quicksilvering?
could he not have been quicksilvering?
could we not have been quicksilvering?
could you not have been quicksilvering?
could they not have been quicksilvering?