English verb conjugation
MUST WITHER

Regular verb: wither - withered - withered

Affirmation

Simple form	V-ing form
I must wither you must wither he must wither we must wither you must wither they must wither	I must be withering you must be withering he must be withering we must be withering you must be withering they must be withering
Perfect	V-ing perfect
I must have withered you must have withered he must have withered we must have withered you must have withered they must have withered	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

Negation

Simple form	V-ing form
I mustn't wither you mustn't wither he mustn't wither we mustn't wither you mustn't wither they mustn't wither	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
Perfect	V-ing perfect
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	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

Interrogative form

Simple form	V-ing form
must I wither? must you wither? must he wither? must we wither? must you wither? must they wither?	must I be withering? must you be withering? must he be withering? must we be withering? must you be withering? must they be withering?
Perfect	V-ing perfect
must I have withered? must you have withered? must he have withered? must we have withered? must you have withered? must they have withered?	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?

Interro-negative form

Simple form	V-ing form
mustn't I wither? mustn't you wither? mustn't he wither? mustn't we wither? mustn't you wither? mustn't they wither?	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?
Perfect	V-ing perfect
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?	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?