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 may not run you may not run she may not run we may not run you may not run they may not run
V-ing form
I may not be running you may not be running she may not be running we may not be running you may not be running they may not be running
Perfect
I may not have run you may not have run she may not have run we may not have run you may not have run they may not have run
V-ing perfect
I may not have been running you may not have been running she may not have been running we may not have been running you may not have been running they may not 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
may I not run? may you not run? may she not run? may we not run? may you not run? may they not run?
V-ing form
may I not be running? may you not be running? may she not be running? may we not be running? may you not be running? may they not be running?
Perfect
may I not have run? may you not have run? may she not have run? may we not have run? may you not have run? may they not have run?
V-ing perfect
may I not have been running? may you not have been running? may she not have been running? may we not have been running? may you not have been running? may they not have been running?