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