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