I may wither you may wither he may wither we may wither you may wither they may wither
V-ing form
I may be withering you may be withering he may be withering we may be withering you may be withering they may be withering
Perfect
I may have withered you may have withered he may have withered we may have withered you may have withered they may have withered
V-ing perfect
I may have been withering you may have been withering he may have been withering we may have been withering you may have been withering they may have been withering
Negation
Simple form
I mayn't wither you mayn't wither he mayn't wither we mayn't wither you mayn't wither they mayn't wither
V-ing form
I mayn't be withering you mayn't be withering he mayn't be withering we mayn't be withering you mayn't be withering they mayn't be withering
Perfect
I mayn't have withered you mayn't have withered he mayn't have withered we mayn't have withered you mayn't have withered they mayn't have withered
V-ing perfect
I mayn't have been withering you mayn't have been withering he mayn't have been withering we mayn't have been withering you mayn't have been withering they mayn't have been withering
Interrogative form
Simple form
may I wither? may you wither? may he wither? may we wither? may you wither? may they wither?
V-ing form
may I be withering? may you be withering? may he be withering? may we be withering? may you be withering? may they be withering?
Perfect
may I have withered? may you have withered? may he have withered? may we have withered? may you have withered? may they have withered?
V-ing perfect
may I have been withering? may you have been withering? may he have been withering? may we have been withering? may you have been withering? may they have been withering?
Interro-negative form
Simple form
mayn't I wither? mayn't you wither? mayn't he wither? mayn't we wither? mayn't you wither? mayn't they wither?
V-ing form
mayn't I be withering? mayn't you be withering? mayn't he be withering? mayn't we be withering? mayn't you be withering? mayn't they be withering?
Perfect
mayn't I have withered? mayn't you have withered? mayn't he have withered? mayn't we have withered? mayn't you have withered? mayn't they have withered?
V-ing perfect
mayn't I have been withering? mayn't you have been withering? mayn't he have been withering? mayn't we have been withering? mayn't you have been withering? mayn't they have been withering?