I must dither you must dither he must dither we must dither you must dither they must dither
Forme en V-ing
I must be dithering you must be dithering he must be dithering we must be dithering you must be dithering they must be dithering
Perfect
I must have dithered you must have dithered he must have dithered we must have dithered you must have dithered they must have dithered
Perfect en V-ing
I must have been dithering you must have been dithering he must have been dithering we must have been dithering you must have been dithering they must have been dithering
Négation
Forme simple
I mustn't dither you mustn't dither he mustn't dither we mustn't dither you mustn't dither they mustn't dither
Forme en V-ing
I mustn't be dithering you mustn't be dithering he mustn't be dithering we mustn't be dithering you mustn't be dithering they mustn't be dithering
Perfect
I mustn't have dithered you mustn't have dithered he mustn't have dithered we mustn't have dithered you mustn't have dithered they mustn't have dithered
Perfect en V-ing
I mustn't have been dithering you mustn't have been dithering he mustn't have been dithering we mustn't have been dithering you mustn't have been dithering they mustn't have been dithering
Forme interrogative
Forme simple
must I dither? must you dither? must he dither? must we dither? must you dither? must they dither?
Forme en V-ing
must I be dithering? must you be dithering? must he be dithering? must we be dithering? must you be dithering? must they be dithering?
Perfect
must I have dithered? must you have dithered? must he have dithered? must we have dithered? must you have dithered? must they have dithered?
Perfect en V-ing
must I have been dithering? must you have been dithering? must he have been dithering? must we have been dithering? must you have been dithering? must they have been dithering?
Forme interro-négative
Forme simple
mustn't I dither? mustn't you dither? mustn't he dither? mustn't we dither? mustn't you dither? mustn't they dither?
Forme en V-ing
mustn't I be dithering? mustn't you be dithering? mustn't he be dithering? mustn't we be dithering? mustn't you be dithering? mustn't they be dithering?
Perfect
mustn't I have dithered? mustn't you have dithered? mustn't he have dithered? mustn't we have dithered? mustn't you have dithered? mustn't they have dithered?
Perfect en V-ing
mustn't I have been dithering? mustn't you have been dithering? mustn't he have been dithering? mustn't we have been dithering? mustn't you have been dithering? mustn't they have been dithering?