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