I could barb you could barb he could barb we could barb you could barb they could barb
Forme en V-ing
I could be barbing you could be barbing he could be barbing we could be barbing you could be barbing they could be barbing
Perfect
I could have barbed you could have barbed he could have barbed we could have barbed you could have barbed they could have barbed
Perfect en V-ing
I could have been barbing you could have been barbing he could have been barbing we could have been barbing you could have been barbing they could have been barbing
Négation
Forme simple
I could not barb you could not barb he could not barb we could not barb you could not barb they could not barb
Forme en V-ing
I could not be barbing you could not be barbing he could not be barbing we could not be barbing you could not be barbing they could not be barbing
Perfect
I could not have barbed you could not have barbed he could not have barbed we could not have barbed you could not have barbed they could not have barbed
Perfect en V-ing
I could not have been barbing you could not have been barbing he could not have been barbing we could not have been barbing you could not have been barbing they could not have been barbing
Forme interrogative
Forme simple
could I barb? could you barb? could he barb? could we barb? could you barb? could they barb?
Forme en V-ing
could I be barbing? could you be barbing? could he be barbing? could we be barbing? could you be barbing? could they be barbing?
Perfect
could I have barbed? could you have barbed? could he have barbed? could we have barbed? could you have barbed? could they have barbed?
Perfect en V-ing
could I have been barbing? could you have been barbing? could he have been barbing? could we have been barbing? could you have been barbing? could they have been barbing?
Forme interro-négative
Forme simple
could I not barb? could you not barb? could he not barb? could we not barb? could you not barb? could they not barb?
Forme en V-ing
could I not be barbing? could you not be barbing? could he not be barbing? could we not be barbing? could you not be barbing? could they not be barbing?
Perfect
could I not have barbed? could you not have barbed? could he not have barbed? could we not have barbed? could you not have barbed? could they not have barbed?
Perfect en V-ing
could I not have been barbing? could you not have been barbing? could he not have been barbing? could we not have been barbing? could you not have been barbing? could they not have been barbing?