I may fight you may fight she may fight we may fight you may fight they may fight
V-ing form
I may be fighting you may be fighting she may be fighting we may be fighting you may be fighting they may be fighting
Perfect
I may have fought you may have fought she may have fought we may have fought you may have fought they may have fought
V-ing perfect
I may have been fighting you may have been fighting she may have been fighting we may have been fighting you may have been fighting they may have been fighting
Negation
Simple form
I may not fight you may not fight she may not fight we may not fight you may not fight they may not fight
V-ing form
I may not be fighting you may not be fighting she may not be fighting we may not be fighting you may not be fighting they may not be fighting
Perfect
I may not have fought you may not have fought she may not have fought we may not have fought you may not have fought they may not have fought
V-ing perfect
I may not have been fighting you may not have been fighting she may not have been fighting we may not have been fighting you may not have been fighting they may not have been fighting
Interrogative form
Simple form
may I fight? may you fight? may she fight? may we fight? may you fight? may they fight?
V-ing form
may I be fighting? may you be fighting? may she be fighting? may we be fighting? may you be fighting? may they be fighting?
Perfect
may I have fought? may you have fought? may she have fought? may we have fought? may you have fought? may they have fought?
V-ing perfect
may I have been fighting? may you have been fighting? may she have been fighting? may we have been fighting? may you have been fighting? may they have been fighting?
Interro-negative form
Simple form
may I not fight? may you not fight? may she not fight? may we not fight? may you not fight? may they not fight?
V-ing form
may I not be fighting? may you not be fighting? may she not be fighting? may we not be fighting? may you not be fighting? may they not be fighting?
Perfect
may I not have fought? may you not have fought? may she not have fought? may we not have fought? may you not have fought? may they not have fought?
V-ing perfect
may I not have been fighting? may you not have been fighting? may she not have been fighting? may we not have been fighting? may you not have been fighting? may they not have been fighting?