I may backorder you may backorder she may backorder we may backorder you may backorder they may backorder
V-ing form
I may be backordering you may be backordering she may be backordering we may be backordering you may be backordering they may be backordering
Perfect
I may have backordered you may have backordered she may have backordered we may have backordered you may have backordered they may have backordered
V-ing perfect
I may have been backordering you may have been backordering she may have been backordering we may have been backordering you may have been backordering they may have been backordering
Negation
Simple form
I mayn't backorder you mayn't backorder she mayn't backorder we mayn't backorder you mayn't backorder they mayn't backorder
V-ing form
I mayn't be backordering you mayn't be backordering she mayn't be backordering we mayn't be backordering you mayn't be backordering they mayn't be backordering
Perfect
I mayn't have backordered you mayn't have backordered she mayn't have backordered we mayn't have backordered you mayn't have backordered they mayn't have backordered
V-ing perfect
I mayn't have been backordering you mayn't have been backordering she mayn't have been backordering we mayn't have been backordering you mayn't have been backordering they mayn't have been backordering
Interrogative form
Simple form
may I backorder? may you backorder? may she backorder? may we backorder? may you backorder? may they backorder?
V-ing form
may I be backordering? may you be backordering? may she be backordering? may we be backordering? may you be backordering? may they be backordering?
Perfect
may I have backordered? may you have backordered? may she have backordered? may we have backordered? may you have backordered? may they have backordered?
V-ing perfect
may I have been backordering? may you have been backordering? may she have been backordering? may we have been backordering? may you have been backordering? may they have been backordering?
Interro-negative form
Simple form
mayn't I backorder? mayn't you backorder? mayn't she backorder? mayn't we backorder? mayn't you backorder? mayn't they backorder?
V-ing form
mayn't I be backordering? mayn't you be backordering? mayn't she be backordering? mayn't we be backordering? mayn't you be backordering? mayn't they be backordering?
Perfect
mayn't I have backordered? mayn't you have backordered? mayn't she have backordered? mayn't we have backordered? mayn't you have backordered? mayn't they have backordered?
V-ing perfect
mayn't I have been backordering? mayn't you have been backordering? mayn't she have been backordering? mayn't we have been backordering? mayn't you have been backordering? mayn't they have been backordering?