
Verbo regular: sin - sinned - sinned
Forma simple | Forma con V-ing | 
| I may sin you may sin she may sin we may sin you may sin they may sin  | I may be sinning you may be sinning she may be sinning we may be sinning you may be sinning they may be sinning  | 
Perfecto | Perfecto con V-ing | 
| I may have sinned you may have sinned she may have sinned we may have sinned you may have sinned they may have sinned  | I may have been sinning you may have been sinning she may have been sinning we may have been sinning you may have been sinning they may have been sinning  | 
Forma simple | Forma con V-ing | 
| I mayn't sin you mayn't sin she mayn't sin we mayn't sin you mayn't sin they mayn't sin  | I mayn't be sinning you mayn't be sinning she mayn't be sinning we mayn't be sinning you mayn't be sinning they mayn't be sinning  | 
Perfecto | Perfecto con V-ing | 
| I mayn't have sinned you mayn't have sinned she mayn't have sinned we mayn't have sinned you mayn't have sinned they mayn't have sinned  | I mayn't have been sinning you mayn't have been sinning she mayn't have been sinning we mayn't have been sinning you mayn't have been sinning they mayn't have been sinning  | 
Forma simple | Forma con V-ing | 
| may I sin? may you sin? may she sin? may we sin? may you sin? may they sin?  | may I be sinning? may you be sinning? may she be sinning? may we be sinning? may you be sinning? may they be sinning?  | 
Perfecto | Perfecto con V-ing | 
| may I have sinned? may you have sinned? may she have sinned? may we have sinned? may you have sinned? may they have sinned?  | may I have been sinning? may you have been sinning? may she have been sinning? may we have been sinning? may you have been sinning? may they have been sinning?  | 
Forma simple | Forma con V-ing | 
| mayn't I sin? mayn't you sin? mayn't she sin? mayn't we sin? mayn't you sin? mayn't they sin?  | mayn't I be sinning? mayn't you be sinning? mayn't she be sinning? mayn't we be sinning? mayn't you be sinning? mayn't they be sinning?  | 
Perfecto | Perfecto con V-ing | 
| mayn't I have sinned? mayn't you have sinned? mayn't she have sinned? mayn't we have sinned? mayn't you have sinned? mayn't they have sinned?  | mayn't I have been sinning? mayn't you have been sinning? mayn't she have been sinning? mayn't we have been sinning? mayn't you have been sinning? mayn't they have been sinning?  |