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