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 must not wither you must not wither he must not wither we must not wither you must not wither they must not wither	I must not be withering you must not be withering he must not be withering we must not be withering you must not be withering they must not be withering
Perfect	V-ing perfect
I must not have withered you must not have withered he must not have withered we must not have withered you must not have withered they must not have withered	I must not have been withering you must not have been withering he must not have been withering we must not have been withering you must not have been withering they must not 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
must I not wither? must you not wither? must he not wither? must we not wither? must you not wither? must they not wither?	must I not be withering? must you not be withering? must he not be withering? must we not be withering? must you not be withering? must they not be withering?
Perfect	V-ing perfect
must I not have withered? must you not have withered? must he not have withered? must we not have withered? must you not have withered? must they not have withered?	must I not have been withering? must you not have been withering? must he not have been withering? must we not have been withering? must you not have been withering? must they not have been withering?