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