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