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