could discolor
Verbe régulier : discolor - discolored- discolored
Traduction française : (US) décolorer - se décolorer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could discolor
you could discolor
she could discolor
we could discolor
you could discolor
they could discolor 	I could be discoloring
you could be discoloring
she could be discoloring
we could be discoloring
you could be discoloring
they could be discoloring	I could have discolored
you could have discolored
she could have discolored
we could have discolored
you could have discolored
they could have discolored	I could have been discoloring
you could have been discoloring
she could have been discoloring
we could have been discoloring
you could have been discoloring
they could have been discoloring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't discolor
you couldn't discolor
she couldn't discolor
we couldn't discolor
you couldn't discolor
they couldn't discolor 	I couldn't be discoloring
you couldn't be discoloring
she couldn't be discoloring
we couldn't be discoloring
you couldn't be discoloring
they couldn't be discoloring	I couldn't have discolored
you couldn't have discolored
she couldn't have discolored
we couldn't have discolored
you couldn't have discolored
they couldn't have discolored	I couldn't have been discoloring
you couldn't have been discoloring
she couldn't have been discoloring
we couldn't have been discoloring
you couldn't have been discoloring
they couldn't have been discoloring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I discolor?
could you discolor?
could she discolor?
could we discolor?
could you discolor?
could they discolor? 	could I be discoloring?
could you be discoloring?
could she be discoloring?
could we be discoloring?
could you be discoloring?
could they be discoloring? 	could I have discolored?
could you have discolored?
could she have discolored?
could we have discolored?
could you have discolored?
could they have discolored? 	could I have been discoloring?
could you have been discoloring?
could she have been discoloring?
could we have been discoloring?
could you have been discoloring?
could they have been discoloring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I discolor?
couldn't you discolor?
couldn't she discolor?
couldn't we discolor?
couldn't you discolor?
couldn't they discolor? 	couldn't I be discoloring?
couldn't you be discoloring?
couldn't she be discoloring?
couldn't we be discoloring?
couldn't you be discoloring?
couldn't they be discoloring? 	couldn't I have discolored?
couldn't you have discolored?
couldn't she have discolored?
couldn't we have discolored?
couldn't you have discolored?
couldn't they have discolored? 	couldn't I have been discoloring?
couldn't you have been discoloring?
couldn't she have been discoloring?
couldn't we have been discoloring?
couldn't you have been discoloring?
couldn't they have been discoloring?