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