I may skipper you may skipper she may skipper we may skipper you may skipper they may skipper
V-ing form
I may be skippering you may be skippering she may be skippering we may be skippering you may be skippering they may be skippering
Perfect
I may have skippered you may have skippered she may have skippered we may have skippered you may have skippered they may have skippered
V-ing perfect
I may have been skippering you may have been skippering she may have been skippering we may have been skippering you may have been skippering they may have been skippering
Negation
Simple form
I mayn't skipper you mayn't skipper she mayn't skipper we mayn't skipper you mayn't skipper they mayn't skipper
V-ing form
I mayn't be skippering you mayn't be skippering she mayn't be skippering we mayn't be skippering you mayn't be skippering they mayn't be skippering
Perfect
I mayn't have skippered you mayn't have skippered she mayn't have skippered we mayn't have skippered you mayn't have skippered they mayn't have skippered
V-ing perfect
I mayn't have been skippering you mayn't have been skippering she mayn't have been skippering we mayn't have been skippering you mayn't have been skippering they mayn't have been skippering
Interrogative form
Simple form
may I skipper? may you skipper? may she skipper? may we skipper? may you skipper? may they skipper?
V-ing form
may I be skippering? may you be skippering? may she be skippering? may we be skippering? may you be skippering? may they be skippering?
Perfect
may I have skippered? may you have skippered? may she have skippered? may we have skippered? may you have skippered? may they have skippered?
V-ing perfect
may I have been skippering? may you have been skippering? may she have been skippering? may we have been skippering? may you have been skippering? may they have been skippering?
Interro-negative form
Simple form
mayn't I skipper? mayn't you skipper? mayn't she skipper? mayn't we skipper? mayn't you skipper? mayn't they skipper?
V-ing form
mayn't I be skippering? mayn't you be skippering? mayn't she be skippering? mayn't we be skippering? mayn't you be skippering? mayn't they be skippering?
Perfect
mayn't I have skippered? mayn't you have skippered? mayn't she have skippered? mayn't we have skippered? mayn't you have skippered? mayn't they have skippered?
V-ing perfect
mayn't I have been skippering? mayn't you have been skippering? mayn't she have been skippering? mayn't we have been skippering? mayn't you have been skippering? mayn't they have been skippering?