I can dither you can dither she can dither we can dither you can dither they can dither
V-ing form
I can be dithering you can be dithering she can be dithering we can be dithering you can be dithering they can be dithering
Perfect
I can have dithered you can have dithered she can have dithered we can have dithered you can have dithered they can have dithered
V-ing perfect
I can have been dithering you can have been dithering she can have been dithering we can have been dithering you can have been dithering they can have been dithering
Negation
Simple form
I can't dither you can't dither she can't dither we can't dither you can't dither they can't dither
V-ing form
I can't be dithering you can't be dithering she can't be dithering we can't be dithering you can't be dithering they can't be dithering
Perfect
I can't have dithered you can't have dithered she can't have dithered we can't have dithered you can't have dithered they can't have dithered
V-ing perfect
I can't have been dithering you can't have been dithering she can't have been dithering we can't have been dithering you can't have been dithering they can't have been dithering
Interrogative form
Simple form
can I dither? can you dither? can she dither? can we dither? can you dither? can they dither?
V-ing form
can I be dithering? can you be dithering? can she be dithering? can we be dithering? can you be dithering? can they be dithering?
Perfect
can I have dithered? can you have dithered? can she have dithered? can we have dithered? can you have dithered? can they have dithered?
V-ing perfect
can I have been dithering? can you have been dithering? can she have been dithering? can we have been dithering? can you have been dithering? can they have been dithering?
Interro-negative form
Simple form
can't I dither? can't you dither? can't she dither? can't we dither? can't you dither? can't they dither?
V-ing form
can't I be dithering? can't you be dithering? can't she be dithering? can't we be dithering? can't you be dithering? can't they be dithering?
Perfect
can't I have dithered? can't you have dithered? can't she have dithered? can't we have dithered? can't you have dithered? can't they have dithered?
V-ing perfect
can't I have been dithering? can't you have been dithering? can't she have been dithering? can't we have been dithering? can't you have been dithering? can't they have been dithering?