could better
Verbe régulier : better - bettered- bettered
Traduction française : améliorer - dépasser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could better
you could better
she could better
we could better
you could better
they could better 	I could be bettering
you could be bettering
she could be bettering
we could be bettering
you could be bettering
they could be bettering	I could have bettered
you could have bettered
she could have bettered
we could have bettered
you could have bettered
they could have bettered	I could have been bettering
you could have been bettering
she could have been bettering
we could have been bettering
you could have been bettering
they could have been bettering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not better
you could not better
she could not better
we could not better
you could not better
they could not better 	I could not be bettering
you could not be bettering
she could not be bettering
we could not be bettering
you could not be bettering
they could not be bettering	I could not have bettered
you could not have bettered
she could not have bettered
we could not have bettered
you could not have bettered
they could not have bettered	I could not have been bettering
you could not have been bettering
she could not have been bettering
we could not have been bettering
you could not have been bettering
they could not have been bettering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I better?
could you better?
could she better?
could we better?
could you better?
could they better? 	could I be bettering?
could you be bettering?
could she be bettering?
could we be bettering?
could you be bettering?
could they be bettering? 	could I have bettered?
could you have bettered?
could she have bettered?
could we have bettered?
could you have bettered?
could they have bettered? 	could I have been bettering?
could you have been bettering?
could she have been bettering?
could we have been bettering?
could you have been bettering?
could they have been bettering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not better?
could you not better?
could she not better?
could we not better?
could you not better?
could they not better? 	could I not be bettering?
could you not be bettering?
could she not be bettering?
could we not be bettering?
could you not be bettering?
could they not be bettering? 	could I not have bettered?
could you not have bettered?
could she not have bettered?
could we not have bettered?
could you not have bettered?
could they not have bettered? 	could I not have been bettering?
could you not have been bettering?
could she not have been bettering?
could we not have been bettering?
could you not have been bettering?
could they not have been bettering?