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