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