could enhance
Verbe régulier : enhance - enhanced- enhanced
Traduction française : améliorer - augmenter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could enhance
you could enhance
she could enhance
we could enhance
you could enhance
they could enhance 	I could be enhancing
you could be enhancing
she could be enhancing
we could be enhancing
you could be enhancing
they could be enhancing	I could have enhanced
you could have enhanced
she could have enhanced
we could have enhanced
you could have enhanced
they could have enhanced	I could have been enhancing
you could have been enhancing
she could have been enhancing
we could have been enhancing
you could have been enhancing
they could have been enhancing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not enhance
you could not enhance
she could not enhance
we could not enhance
you could not enhance
they could not enhance 	I could not be enhancing
you could not be enhancing
she could not be enhancing
we could not be enhancing
you could not be enhancing
they could not be enhancing	I could not have enhanced
you could not have enhanced
she could not have enhanced
we could not have enhanced
you could not have enhanced
they could not have enhanced	I could not have been enhancing
you could not have been enhancing
she could not have been enhancing
we could not have been enhancing
you could not have been enhancing
they could not have been enhancing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I enhance?
could you enhance?
could she enhance?
could we enhance?
could you enhance?
could they enhance? 	could I be enhancing?
could you be enhancing?
could she be enhancing?
could we be enhancing?
could you be enhancing?
could they be enhancing? 	could I have enhanced?
could you have enhanced?
could she have enhanced?
could we have enhanced?
could you have enhanced?
could they have enhanced? 	could I have been enhancing?
could you have been enhancing?
could she have been enhancing?
could we have been enhancing?
could you have been enhancing?
could they have been enhancing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not enhance?
could you not enhance?
could she not enhance?
could we not enhance?
could you not enhance?
could they not enhance? 	could I not be enhancing?
could you not be enhancing?
could she not be enhancing?
could we not be enhancing?
could you not be enhancing?
could they not be enhancing? 	could I not have enhanced?
could you not have enhanced?
could she not have enhanced?
could we not have enhanced?
could you not have enhanced?
could they not have enhanced? 	could I not have been enhancing?
could you not have been enhancing?
could she not have been enhancing?
could we not have been enhancing?
could you not have been enhancing?
could they not have been enhancing?