I may crane you may crane she may crane we may crane you may crane they may crane
V-ing form
I may be craning you may be craning she may be craning we may be craning you may be craning they may be craning
Perfect
I may have craned you may have craned she 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 she may have been craning we may have been craning you may have been craning they may have been craning
Negation
Simple form
I may not crane you may not crane she may not crane we may not crane you may not crane they may not crane
V-ing form
I may not be craning you may not be craning she may not be craning we may not be craning you may not be craning they may not be craning
Perfect
I may not have craned you may not have craned she may not have craned we may not have craned you may not have craned they may not have craned
V-ing perfect
I may not have been craning you may not have been craning she may not have been craning we may not have been craning you may not have been craning they may not have been craning
Interrogative form
Simple form
may I crane? may you crane? may she crane? may we crane? may you crane? may they crane?
V-ing form
may I be craning? may you be craning? may she be craning? may we be craning? may you be craning? may they be craning?
Perfect
may I have craned? may you have craned? may she 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 she have been craning? may we have been craning? may you have been craning? may they have been craning?
Interro-negative form
Simple form
may I not crane? may you not crane? may she not crane? may we not crane? may you not crane? may they not crane?
V-ing form
may I not be craning? may you not be craning? may she not be craning? may we not be craning? may you not be craning? may they not be craning?
Perfect
may I not have craned? may you not have craned? may she not have craned? may we not have craned? may you not have craned? may they not have craned?
V-ing perfect
may I not have been craning? may you not have been craning? may she not have been craning? may we not have been craning? may you not have been craning? may they not have been craning?