could decaffeinate
Verbe régulier : decaffeinate - decaffeinated- decaffeinated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could decaffeinate
you could decaffeinate
she could decaffeinate
we could decaffeinate
you could decaffeinate
they could decaffeinate 	I could be decaffeinating
you could be decaffeinating
she could be decaffeinating
we could be decaffeinating
you could be decaffeinating
they could be decaffeinating	I could have decaffeinated
you could have decaffeinated
she could have decaffeinated
we could have decaffeinated
you could have decaffeinated
they could have decaffeinated	I could have been decaffeinating
you could have been decaffeinating
she could have been decaffeinating
we could have been decaffeinating
you could have been decaffeinating
they could have been decaffeinating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not decaffeinate
you could not decaffeinate
she could not decaffeinate
we could not decaffeinate
you could not decaffeinate
they could not decaffeinate 	I could not be decaffeinating
you could not be decaffeinating
she could not be decaffeinating
we could not be decaffeinating
you could not be decaffeinating
they could not be decaffeinating	I could not have decaffeinated
you could not have decaffeinated
she could not have decaffeinated
we could not have decaffeinated
you could not have decaffeinated
they could not have decaffeinated	I could not have been decaffeinating
you could not have been decaffeinating
she could not have been decaffeinating
we could not have been decaffeinating
you could not have been decaffeinating
they could not have been decaffeinating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I decaffeinate?
could you decaffeinate?
could she decaffeinate?
could we decaffeinate?
could you decaffeinate?
could they decaffeinate? 	could I be decaffeinating?
could you be decaffeinating?
could she be decaffeinating?
could we be decaffeinating?
could you be decaffeinating?
could they be decaffeinating? 	could I have decaffeinated?
could you have decaffeinated?
could she have decaffeinated?
could we have decaffeinated?
could you have decaffeinated?
could they have decaffeinated? 	could I have been decaffeinating?
could you have been decaffeinating?
could she have been decaffeinating?
could we have been decaffeinating?
could you have been decaffeinating?
could they have been decaffeinating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not decaffeinate?
could you not decaffeinate?
could she not decaffeinate?
could we not decaffeinate?
could you not decaffeinate?
could they not decaffeinate? 	could I not be decaffeinating?
could you not be decaffeinating?
could she not be decaffeinating?
could we not be decaffeinating?
could you not be decaffeinating?
could they not be decaffeinating? 	could I not have decaffeinated?
could you not have decaffeinated?
could she not have decaffeinated?
could we not have decaffeinated?
could you not have decaffeinated?
could they not have decaffeinated? 	could I not have been decaffeinating?
could you not have been decaffeinating?
could she not have been decaffeinating?
could we not have been decaffeinating?
could you not have been decaffeinating?
could they not have been decaffeinating?