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