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