could further
Verbe régulier : further - furthered- furthered
Traduction française : avancer - servir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could further
you could further
she could further
we could further
you could further
they could further 	I could be furthering
you could be furthering
she could be furthering
we could be furthering
you could be furthering
they could be furthering	I could have furthered
you could have furthered
she could have furthered
we could have furthered
you could have furthered
they could have furthered	I could have been furthering
you could have been furthering
she could have been furthering
we could have been furthering
you could have been furthering
they could have been furthering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not further
you could not further
she could not further
we could not further
you could not further
they could not further 	I could not be furthering
you could not be furthering
she could not be furthering
we could not be furthering
you could not be furthering
they could not be furthering	I could not have furthered
you could not have furthered
she could not have furthered
we could not have furthered
you could not have furthered
they could not have furthered	I could not have been furthering
you could not have been furthering
she could not have been furthering
we could not have been furthering
you could not have been furthering
they could not have been furthering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I further?
could you further?
could she further?
could we further?
could you further?
could they further? 	could I be furthering?
could you be furthering?
could she be furthering?
could we be furthering?
could you be furthering?
could they be furthering? 	could I have furthered?
could you have furthered?
could she have furthered?
could we have furthered?
could you have furthered?
could they have furthered? 	could I have been furthering?
could you have been furthering?
could she have been furthering?
could we have been furthering?
could you have been furthering?
could they have been furthering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not further?
could you not further?
could she not further?
could we not further?
could you not further?
could they not further? 	could I not be furthering?
could you not be furthering?
could she not be furthering?
could we not be furthering?
could you not be furthering?
could they not be furthering? 	could I not have furthered?
could you not have furthered?
could she not have furthered?
could we not have furthered?
could you not have furthered?
could they not have furthered? 	could I not have been furthering?
could you not have been furthering?
could she not have been furthering?
could we not have been furthering?
could you not have been furthering?
could they not have been furthering?