I could rivet you could rivet she could rivet we could rivet you could rivet they could rivet
Forme en V-ing
I could be riveting you could be riveting she could be riveting we could be riveting you could be riveting they could be riveting
Perfect
I could have riveted you could have riveted she could have riveted we could have riveted you could have riveted they could have riveted
Perfect en V-ing
I could have been riveting you could have been riveting she could have been riveting we could have been riveting you could have been riveting they could have been riveting
Négation
Forme simple
I could not rivet you could not rivet she could not rivet we could not rivet you could not rivet they could not rivet
Forme en V-ing
I could not be riveting you could not be riveting she could not be riveting we could not be riveting you could not be riveting they could not be riveting
Perfect
I could not have riveted you could not have riveted she could not have riveted we could not have riveted you could not have riveted they could not have riveted
Perfect en V-ing
I could not have been riveting you could not have been riveting she could not have been riveting we could not have been riveting you could not have been riveting they could not have been riveting
Forme interrogative
Forme simple
could I rivet? could you rivet? could she rivet? could we rivet? could you rivet? could they rivet?
Forme en V-ing
could I be riveting? could you be riveting? could she be riveting? could we be riveting? could you be riveting? could they be riveting?
Perfect
could I have riveted? could you have riveted? could she have riveted? could we have riveted? could you have riveted? could they have riveted?
Perfect en V-ing
could I have been riveting? could you have been riveting? could she have been riveting? could we have been riveting? could you have been riveting? could they have been riveting?
Forme interro-négative
Forme simple
could I not rivet? could you not rivet? could she not rivet? could we not rivet? could you not rivet? could they not rivet?
Forme en V-ing
could I not be riveting? could you not be riveting? could she not be riveting? could we not be riveting? could you not be riveting? could they not be riveting?
Perfect
could I not have riveted? could you not have riveted? could she not have riveted? could we not have riveted? could you not have riveted? could they not have riveted?
Perfect en V-ing
could I not have been riveting? could you not have been riveting? could she not have been riveting? could we not have been riveting? could you not have been riveting? could they not have been riveting?