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