I may tell you may tell he may tell we may tell you may tell they may tell
V-ing form
I may be telling you may be telling he may be telling we may be telling you may be telling they may be telling
Perfect
I may have told you may have told he may have told we may have told you may have told they may have told
V-ing perfect
I may have been telling you may have been telling he may have been telling we may have been telling you may have been telling they may have been telling
Negation
Simple form
I mayn't tell you mayn't tell he mayn't tell we mayn't tell you mayn't tell they mayn't tell
V-ing form
I mayn't be telling you mayn't be telling he mayn't be telling we mayn't be telling you mayn't be telling they mayn't be telling
Perfect
I mayn't have told you mayn't have told he mayn't have told we mayn't have told you mayn't have told they mayn't have told
V-ing perfect
I mayn't have been telling you mayn't have been telling he mayn't have been telling we mayn't have been telling you mayn't have been telling they mayn't have been telling
Interrogative form
Simple form
may I tell? may you tell? may he tell? may we tell? may you tell? may they tell?
V-ing form
may I be telling? may you be telling? may he be telling? may we be telling? may you be telling? may they be telling?
Perfect
may I have told? may you have told? may he have told? may we have told? may you have told? may they have told?
V-ing perfect
may I have been telling? may you have been telling? may he have been telling? may we have been telling? may you have been telling? may they have been telling?
Interro-negative form
Simple form
mayn't I tell? mayn't you tell? mayn't he tell? mayn't we tell? mayn't you tell? mayn't they tell?
V-ing form
mayn't I be telling? mayn't you be telling? mayn't he be telling? mayn't we be telling? mayn't you be telling? mayn't they be telling?
Perfect
mayn't I have told? mayn't you have told? mayn't he have told? mayn't we have told? mayn't you have told? mayn't they have told?
V-ing perfect
mayn't I have been telling? mayn't you have been telling? mayn't he have been telling? mayn't we have been telling? mayn't you have been telling? mayn't they have been telling?