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