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