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