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