I may chat you may chat he may chat we may chat you may chat they may chat
V-ing form
I may be chatting you may be chatting he may be chatting we may be chatting you may be chatting they may be chatting
Perfect
I may have chatted you may have chatted he may have chatted we may have chatted you may have chatted they may have chatted
V-ing perfect
I may have been chatting you may have been chatting he may have been chatting we may have been chatting you may have been chatting they may have been chatting
Negation
Simple form
I may not chat you may not chat he may not chat we may not chat you may not chat they may not chat
V-ing form
I may not be chatting you may not be chatting he may not be chatting we may not be chatting you may not be chatting they may not be chatting
Perfect
I may not have chatted you may not have chatted he may not have chatted we may not have chatted you may not have chatted they may not have chatted
V-ing perfect
I may not have been chatting you may not have been chatting he may not have been chatting we may not have been chatting you may not have been chatting they may not have been chatting
Interrogative form
Simple form
may I chat? may you chat? may he chat? may we chat? may you chat? may they chat?
V-ing form
may I be chatting? may you be chatting? may he be chatting? may we be chatting? may you be chatting? may they be chatting?
Perfect
may I have chatted? may you have chatted? may he have chatted? may we have chatted? may you have chatted? may they have chatted?
V-ing perfect
may I have been chatting? may you have been chatting? may he have been chatting? may we have been chatting? may you have been chatting? may they have been chatting?
Interro-negative form
Simple form
may I not chat? may you not chat? may he not chat? may we not chat? may you not chat? may they not chat?
V-ing form
may I not be chatting? may you not be chatting? may he not be chatting? may we not be chatting? may you not be chatting? may they not be chatting?
Perfect
may I not have chatted? may you not have chatted? may he not have chatted? may we not have chatted? may you not have chatted? may they not have chatted?
V-ing perfect
may I not have been chatting? may you not have been chatting? may he not have been chatting? may we not have been chatting? may you not have been chatting? may they not have been chatting?