could feather
Verbe régulier : feather - feathered- feathered
Traduction française : empenner - plumer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could feather
you could feather
she could feather
we could feather
you could feather
they could feather 	I could be feathering
you could be feathering
she could be feathering
we could be feathering
you could be feathering
they could be feathering	I could have feathered
you could have feathered
she could have feathered
we could have feathered
you could have feathered
they could have feathered	I could have been feathering
you could have been feathering
she could have been feathering
we could have been feathering
you could have been feathering
they could have been feathering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not feather
you could not feather
she could not feather
we could not feather
you could not feather
they could not feather 	I could not be feathering
you could not be feathering
she could not be feathering
we could not be feathering
you could not be feathering
they could not be feathering	I could not have feathered
you could not have feathered
she could not have feathered
we could not have feathered
you could not have feathered
they could not have feathered	I could not have been feathering
you could not have been feathering
she could not have been feathering
we could not have been feathering
you could not have been feathering
they could not have been feathering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I feather?
could you feather?
could she feather?
could we feather?
could you feather?
could they feather? 	could I be feathering?
could you be feathering?
could she be feathering?
could we be feathering?
could you be feathering?
could they be feathering? 	could I have feathered?
could you have feathered?
could she have feathered?
could we have feathered?
could you have feathered?
could they have feathered? 	could I have been feathering?
could you have been feathering?
could she have been feathering?
could we have been feathering?
could you have been feathering?
could they have been feathering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not feather?
could you not feather?
could she not feather?
could we not feather?
could you not feather?
could they not feather? 	could I not be feathering?
could you not be feathering?
could she not be feathering?
could we not be feathering?
could you not be feathering?
could they not be feathering? 	could I not have feathered?
could you not have feathered?
could she not have feathered?
could we not have feathered?
could you not have feathered?
could they not have feathered? 	could I not have been feathering?
could you not have been feathering?
could she not have been feathering?
could we not have been feathering?
could you not have been feathering?
could they not have been feathering?