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