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