could ace
Verbe régulier : ace - aced- aced
Traduction française : servir un ace 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could ace
you could ace
he could ace
we could ace
you could ace
they could ace 	I could be acing
you could be acing
he could be acing
we could be acing
you could be acing
they could be acing	I could have aced
you could have aced
he could have aced
we could have aced
you could have aced
they could have aced	I could have been acing
you could have been acing
he could have been acing
we could have been acing
you could have been acing
they could have been acing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not ace
you could not ace
he could not ace
we could not ace
you could not ace
they could not ace 	I could not be acing
you could not be acing
he could not be acing
we could not be acing
you could not be acing
they could not be acing	I could not have aced
you could not have aced
he could not have aced
we could not have aced
you could not have aced
they could not have aced	I could not have been acing
you could not have been acing
he could not have been acing
we could not have been acing
you could not have been acing
they could not have been acing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I ace?
could you ace?
could he ace?
could we ace?
could you ace?
could they ace? 	could I be acing?
could you be acing?
could he be acing?
could we be acing?
could you be acing?
could they be acing? 	could I have aced?
could you have aced?
could he have aced?
could we have aced?
could you have aced?
could they have aced? 	could I have been acing?
could you have been acing?
could he have been acing?
could we have been acing?
could you have been acing?
could they have been acing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not ace?
could you not ace?
could he not ace?
could we not ace?
could you not ace?
could they not ace? 	could I not be acing?
could you not be acing?
could he not be acing?
could we not be acing?
could you not be acing?
could they not be acing? 	could I not have aced?
could you not have aced?
could he not have aced?
could we not have aced?
could you not have aced?
could they not have aced? 	could I not have been acing?
could you not have been acing?
could he not have been acing?
could we not have been acing?
could you not have been acing?
could they not have been acing?