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