I can dither you can dither he can dither we can dither you can dither they can dither
V-ing form
I can be dithering you can be dithering he can be dithering we can be dithering you can be dithering they can be dithering
Perfect
I can have dithered you can have dithered he 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 he can have been dithering we can have been dithering you can have been dithering they can have been dithering
Negation
Simple form
I cannot dither you cannot dither he cannot dither we cannot dither you cannot dither they cannot dither
V-ing form
I cannot be dithering you cannot be dithering he cannot be dithering we cannot be dithering you cannot be dithering they cannot be dithering
Perfect
I cannot have dithered you cannot have dithered he cannot have dithered we cannot have dithered you cannot have dithered they cannot have dithered
V-ing perfect
I cannot have been dithering you cannot have been dithering he cannot have been dithering we cannot have been dithering you cannot have been dithering they cannot have been dithering
Interrogative form
Simple form
can I dither? can you dither? can he dither? can we dither? can you dither? can they dither?
V-ing form
can I be dithering? can you be dithering? can he be dithering? can we be dithering? can you be dithering? can they be dithering?
Perfect
can I have dithered? can you have dithered? can he 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 he have been dithering? can we have been dithering? can you have been dithering? can they have been dithering?
Interro-negative form
Simple form
can I not dither? can you not dither? can he not dither? can we not dither? can you not dither? can they not dither?
V-ing form
can I not be dithering? can you not be dithering? can he not be dithering? can we not be dithering? can you not be dithering? can they not be dithering?
Perfect
can I not have dithered? can you not have dithered? can he not have dithered? can we not have dithered? can you not have dithered? can they not have dithered?
V-ing perfect
can I not have been dithering? can you not have been dithering? can he not have been dithering? can we not have been dithering? can you not have been dithering? can they not have been dithering?