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