I could blither you could blither she could blither we could blither you could blither they could blither
Forme en V-ing
I could be blithering you could be blithering she could be blithering we could be blithering you could be blithering they could be blithering
Perfect
I could have blithered you could have blithered she could have blithered we could have blithered you could have blithered they could have blithered
Perfect en V-ing
I could have been blithering you could have been blithering she could have been blithering we could have been blithering you could have been blithering they could have been blithering
Négation
Forme simple
I couldn't blither you couldn't blither she couldn't blither we couldn't blither you couldn't blither they couldn't blither
Forme en V-ing
I couldn't be blithering you couldn't be blithering she couldn't be blithering we couldn't be blithering you couldn't be blithering they couldn't be blithering
Perfect
I couldn't have blithered you couldn't have blithered she couldn't have blithered we couldn't have blithered you couldn't have blithered they couldn't have blithered
Perfect en V-ing
I couldn't have been blithering you couldn't have been blithering she couldn't have been blithering we couldn't have been blithering you couldn't have been blithering they couldn't have been blithering
Forme interrogative
Forme simple
could I blither? could you blither? could she blither? could we blither? could you blither? could they blither?
Forme en V-ing
could I be blithering? could you be blithering? could she be blithering? could we be blithering? could you be blithering? could they be blithering?
Perfect
could I have blithered? could you have blithered? could she have blithered? could we have blithered? could you have blithered? could they have blithered?
Perfect en V-ing
could I have been blithering? could you have been blithering? could she have been blithering? could we have been blithering? could you have been blithering? could they have been blithering?
Forme interro-négative
Forme simple
couldn't I blither? couldn't you blither? couldn't she blither? couldn't we blither? couldn't you blither? couldn't they blither?
Forme en V-ing
couldn't I be blithering? couldn't you be blithering? couldn't she be blithering? couldn't we be blithering? couldn't you be blithering? couldn't they be blithering?
Perfect
couldn't I have blithered? couldn't you have blithered? couldn't she have blithered? couldn't we have blithered? couldn't you have blithered? couldn't they have blithered?
Perfect en V-ing
couldn't I have been blithering? couldn't you have been blithering? couldn't she have been blithering? couldn't we have been blithering? couldn't you have been blithering? couldn't they have been blithering?