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