English verb conjugation
COULD BLITHER

Regular verb: blither - blithered - blithered

Affirmation

Simple form	V-ing form
I could blither you could blither he could blither we could blither you could blither they could blither	I could be blithering you could be blithering he could be blithering we could be blithering you could be blithering they could be blithering
Perfect	V-ing perfect
I could have blithered you could have blithered he could have blithered we could have blithered you could have blithered they could have blithered	I could have been blithering you could have been blithering he could have been blithering we could have been blithering you could have been blithering they could have been blithering

Negation

Simple form	V-ing form
I couldn't blither you couldn't blither he couldn't blither we couldn't blither you couldn't blither they couldn't blither	I couldn't be blithering you couldn't be blithering he couldn't be blithering we couldn't be blithering you couldn't be blithering they couldn't be blithering
Perfect	V-ing perfect
I couldn't have blithered you couldn't have blithered he couldn't have blithered we couldn't have blithered you couldn't have blithered they couldn't have blithered	I couldn't have been blithering you couldn't have been blithering he couldn't have been blithering we couldn't have been blithering you couldn't have been blithering they couldn't have been blithering

Interrogative form

Simple form	V-ing form
could I blither? could you blither? could he blither? could we blither? could you blither? could they blither?	could I be blithering? could you be blithering? could he be blithering? could we be blithering? could you be blithering? could they be blithering?
Perfect	V-ing perfect
could I have blithered? could you have blithered? could he have blithered? could we have blithered? could you have blithered? could they have blithered?	could I have been blithering? could you have been blithering? could he have been blithering? could we have been blithering? could you have been blithering? could they have been blithering?

Interro-negative form

Simple form	V-ing form
couldn't I blither? couldn't you blither? couldn't he blither? couldn't we blither? couldn't you blither? couldn't they blither?	couldn't I be blithering? couldn't you be blithering? couldn't he be blithering? couldn't we be blithering? couldn't you be blithering? couldn't they be blithering?
Perfect	V-ing perfect
couldn't I have blithered? couldn't you have blithered? couldn't he have blithered? couldn't we have blithered? couldn't you have blithered? couldn't they have blithered?	couldn't I have been blithering? couldn't you have been blithering? couldn't he have been blithering? couldn't we have been blithering? couldn't you have been blithering? couldn't they have been blithering?