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
she could ace
we could ace
you could ace
they could ace 	I could be acing
you could be acing
she could be acing
we could be acing
you could be acing
they could be acing	I could have aced
you could have aced
she 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
she 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 couldn't ace
you couldn't ace
she couldn't ace
we couldn't ace
you couldn't ace
they couldn't ace 	I couldn't be acing
you couldn't be acing
she couldn't be acing
we couldn't be acing
you couldn't be acing
they couldn't be acing	I couldn't have aced
you couldn't have aced
she couldn't have aced
we couldn't have aced
you couldn't have aced
they couldn't have aced	I couldn't have been acing
you couldn't have been acing
she couldn't have been acing
we couldn't have been acing
you couldn't have been acing
they couldn't have been acing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I ace?
could you ace?
could she ace?
could we ace?
could you ace?
could they ace? 	could I be acing?
could you be acing?
could she be acing?
could we be acing?
could you be acing?
could they be acing? 	could I have aced?
could you have aced?
could she 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 she 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 	
couldn't I ace?
couldn't you ace?
couldn't she ace?
couldn't we ace?
couldn't you ace?
couldn't they ace? 	couldn't I be acing?
couldn't you be acing?
couldn't she be acing?
couldn't we be acing?
couldn't you be acing?
couldn't they be acing? 	couldn't I have aced?
couldn't you have aced?
couldn't she have aced?
couldn't we have aced?
couldn't you have aced?
couldn't they have aced? 	couldn't I have been acing?
couldn't you have been acing?
couldn't she have been acing?
couldn't we have been acing?
couldn't you have been acing?
couldn't they have been acing?