I may cite you may cite he may cite we may cite you may cite they may cite
V-ing form
I may be citing you may be citing he may be citing we may be citing you may be citing they may be citing
Perfect
I may have cited you may have cited he may have cited we may have cited you may have cited they may have cited
V-ing perfect
I may have been citing you may have been citing he may have been citing we may have been citing you may have been citing they may have been citing
Negation
Simple form
I may not cite you may not cite he may not cite we may not cite you may not cite they may not cite
V-ing form
I may not be citing you may not be citing he may not be citing we may not be citing you may not be citing they may not be citing
Perfect
I may not have cited you may not have cited he may not have cited we may not have cited you may not have cited they may not have cited
V-ing perfect
I may not have been citing you may not have been citing he may not have been citing we may not have been citing you may not have been citing they may not have been citing
Interrogative form
Simple form
may I cite? may you cite? may he cite? may we cite? may you cite? may they cite?
V-ing form
may I be citing? may you be citing? may he be citing? may we be citing? may you be citing? may they be citing?
Perfect
may I have cited? may you have cited? may he have cited? may we have cited? may you have cited? may they have cited?
V-ing perfect
may I have been citing? may you have been citing? may he have been citing? may we have been citing? may you have been citing? may they have been citing?
Interro-negative form
Simple form
may I not cite? may you not cite? may he not cite? may we not cite? may you not cite? may they not cite?
V-ing form
may I not be citing? may you not be citing? may he not be citing? may we not be citing? may you not be citing? may they not be citing?
Perfect
may I not have cited? may you not have cited? may he not have cited? may we not have cited? may you not have cited? may they not have cited?
V-ing perfect
may I not have been citing? may you not have been citing? may he not have been citing? may we not have been citing? may you not have been citing? may they not have been citing?