Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could acher you could acher he could acher we could acher you could acher they could acher
Forme en V-ing
I could be achering you could be achering he could be achering we could be achering you could be achering they could be achering
Perfect
I could have achered you could have achered he could have achered we could have achered you could have achered they could have achered
Perfect en V-ing
I could have been achering you could have been achering he could have been achering we could have been achering you could have been achering they could have been achering
Négation
Forme simple
I could not acher you could not acher he could not acher we could not acher you could not acher they could not acher
Forme en V-ing
I could not be achering you could not be achering he could not be achering we could not be achering you could not be achering they could not be achering
Perfect
I could not have achered you could not have achered he could not have achered we could not have achered you could not have achered they could not have achered
Perfect en V-ing
I could not have been achering you could not have been achering he could not have been achering we could not have been achering you could not have been achering they could not have been achering
Forme interrogative
Forme simple
could I acher? could you acher? could he acher? could we acher? could you acher? could they acher?
Forme en V-ing
could I be achering? could you be achering? could he be achering? could we be achering? could you be achering? could they be achering?
Perfect
could I have achered? could you have achered? could he have achered? could we have achered? could you have achered? could they have achered?
Perfect en V-ing
could I have been achering? could you have been achering? could he have been achering? could we have been achering? could you have been achering? could they have been achering?
Forme interro-négative
Forme simple
could I not acher? could you not acher? could he not acher? could we not acher? could you not acher? could they not acher?
Forme en V-ing
could I not be achering? could you not be achering? could he not be achering? could we not be achering? could you not be achering? could they not be achering?
Perfect
could I not have achered? could you not have achered? could he not have achered? could we not have achered? could you not have achered? could they not have achered?
Perfect en V-ing
could I not have been achering? could you not have been achering? could he not have been achering? could we not have been achering? could you not have been achering? could they not have been achering?