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