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