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