I could supersede you could supersede he could supersede we could supersede you could supersede they could supersede
Forme en V-ing
I could be superseding you could be superseding he could be superseding we could be superseding you could be superseding they could be superseding
Perfect
I could have superseded you could have superseded he could have superseded we could have superseded you could have superseded they could have superseded
Perfect en V-ing
I could have been superseding you could have been superseding he could have been superseding we could have been superseding you could have been superseding they could have been superseding
Négation
Forme simple
I could not supersede you could not supersede he could not supersede we could not supersede you could not supersede they could not supersede
Forme en V-ing
I could not be superseding you could not be superseding he could not be superseding we could not be superseding you could not be superseding they could not be superseding
Perfect
I could not have superseded you could not have superseded he could not have superseded we could not have superseded you could not have superseded they could not have superseded
Perfect en V-ing
I could not have been superseding you could not have been superseding he could not have been superseding we could not have been superseding you could not have been superseding they could not have been superseding
Forme interrogative
Forme simple
could I supersede? could you supersede? could he supersede? could we supersede? could you supersede? could they supersede?
Forme en V-ing
could I be superseding? could you be superseding? could he be superseding? could we be superseding? could you be superseding? could they be superseding?
Perfect
could I have superseded? could you have superseded? could he have superseded? could we have superseded? could you have superseded? could they have superseded?
Perfect en V-ing
could I have been superseding? could you have been superseding? could he have been superseding? could we have been superseding? could you have been superseding? could they have been superseding?
Forme interro-négative
Forme simple
could I not supersede? could you not supersede? could he not supersede? could we not supersede? could you not supersede? could they not supersede?
Forme en V-ing
could I not be superseding? could you not be superseding? could he not be superseding? could we not be superseding? could you not be superseding? could they not be superseding?
Perfect
could I not have superseded? could you not have superseded? could he not have superseded? could we not have superseded? could you not have superseded? could they not have superseded?
Perfect en V-ing
could I not have been superseding? could you not have been superseding? could he not have been superseding? could we not have been superseding? could you not have been superseding? could they not have been superseding?