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