could black
Verbe régulier : black - blacked- blacked
Traduction française : noircir (UK) - boycotter 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could black
you could black
she could black
we could black
you could black
they could black 	I could be blacking
you could be blacking
she could be blacking
we could be blacking
you could be blacking
they could be blacking	I could have blacked
you could have blacked
she could have blacked
we could have blacked
you could have blacked
they could have blacked	I could have been blacking
you could have been blacking
she could have been blacking
we could have been blacking
you could have been blacking
they could have been blacking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not black
you could not black
she could not black
we could not black
you could not black
they could not black 	I could not be blacking
you could not be blacking
she could not be blacking
we could not be blacking
you could not be blacking
they could not be blacking	I could not have blacked
you could not have blacked
she could not have blacked
we could not have blacked
you could not have blacked
they could not have blacked	I could not have been blacking
you could not have been blacking
she could not have been blacking
we could not have been blacking
you could not have been blacking
they could not have been blacking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I black?
could you black?
could she black?
could we black?
could you black?
could they black? 	could I be blacking?
could you be blacking?
could she be blacking?
could we be blacking?
could you be blacking?
could they be blacking? 	could I have blacked?
could you have blacked?
could she have blacked?
could we have blacked?
could you have blacked?
could they have blacked? 	could I have been blacking?
could you have been blacking?
could she have been blacking?
could we have been blacking?
could you have been blacking?
could they have been blacking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not black?
could you not black?
could she not black?
could we not black?
could you not black?
could they not black? 	could I not be blacking?
could you not be blacking?
could she not be blacking?
could we not be blacking?
could you not be blacking?
could they not be blacking? 	could I not have blacked?
could you not have blacked?
could she not have blacked?
could we not have blacked?
could you not have blacked?
could they not have blacked? 	could I not have been blacking?
could you not have been blacking?
could she not have been blacking?
could we not have been blacking?
could you not have been blacking?
could they not have been blacking?