I must wither you must wither he must wither we must wither you must wither they must wither
Forma com V-ing
I must be withering you must be withering he must be withering we must be withering you must be withering they must be withering
Perfeito
I must have withered you must have withered he must have withered we must have withered you must have withered they must have withered
Perfeito com V-ing
I must have been withering you must have been withering he must have been withering we must have been withering you must have been withering they must have been withering
Negação
Forma simple
I mustn't wither you mustn't wither he mustn't wither we mustn't wither you mustn't wither they mustn't wither
Forma com V-ing
I mustn't be withering you mustn't be withering he mustn't be withering we mustn't be withering you mustn't be withering they mustn't be withering
Perfeito
I mustn't have withered you mustn't have withered he mustn't have withered we mustn't have withered you mustn't have withered they mustn't have withered
Perfeito com V-ing
I mustn't have been withering you mustn't have been withering he mustn't have been withering we mustn't have been withering you mustn't have been withering they mustn't have been withering
Forma interrogativa
Forma simple
must I wither? must you wither? must he wither? must we wither? must you wither? must they wither?
Forma com V-ing
must I be withering? must you be withering? must he be withering? must we be withering? must you be withering? must they be withering?
Perfeito
must I have withered? must you have withered? must he have withered? must we have withered? must you have withered? must they have withered?
Perfeito com V-ing
must I have been withering? must you have been withering? must he have been withering? must we have been withering? must you have been withering? must they have been withering?
Forma interro-Negação
Forma simple
mustn't I wither? mustn't you wither? mustn't he wither? mustn't we wither? mustn't you wither? mustn't they wither?
Forma com V-ing
mustn't I be withering? mustn't you be withering? mustn't he be withering? mustn't we be withering? mustn't you be withering? mustn't they be withering?
Perfeito
mustn't I have withered? mustn't you have withered? mustn't he have withered? mustn't we have withered? mustn't you have withered? mustn't they have withered?
Perfeito com V-ing
mustn't I have been withering? mustn't you have been withering? mustn't he have been withering? mustn't we have been withering? mustn't you have been withering? mustn't they have been withering?