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