
Verbo regular: stir - stirred - stirred
Forma simple | Forma com V-ing | 
| I may stir you may stir he may stir we may stir you may stir they may stir  | I may be stirring you may be stirring he may be stirring we may be stirring you may be stirring they may be stirring  | 
Perfeito | Perfeito com V-ing | 
| I may have stirred you may have stirred he may have stirred we may have stirred you may have stirred they may have stirred  | I may have been stirring you may have been stirring he may have been stirring we may have been stirring you may have been stirring they may have been stirring  | 
Forma simple | Forma com V-ing | 
| I mayn't stir you mayn't stir he mayn't stir we mayn't stir you mayn't stir they mayn't stir  | I mayn't be stirring you mayn't be stirring he mayn't be stirring we mayn't be stirring you mayn't be stirring they mayn't be stirring  | 
Perfeito | Perfeito com V-ing | 
| I mayn't have stirred you mayn't have stirred he mayn't have stirred we mayn't have stirred you mayn't have stirred they mayn't have stirred  | I mayn't have been stirring you mayn't have been stirring he mayn't have been stirring we mayn't have been stirring you mayn't have been stirring they mayn't have been stirring  | 
Forma simple | Forma com V-ing | 
| may I stir? may you stir? may he stir? may we stir? may you stir? may they stir?  | may I be stirring? may you be stirring? may he be stirring? may we be stirring? may you be stirring? may they be stirring?  | 
Perfeito | Perfeito com V-ing | 
| may I have stirred? may you have stirred? may he have stirred? may we have stirred? may you have stirred? may they have stirred?  | may I have been stirring? may you have been stirring? may he have been stirring? may we have been stirring? may you have been stirring? may they have been stirring?  | 
Forma simple | Forma com V-ing | 
| mayn't I stir? mayn't you stir? mayn't he stir? mayn't we stir? mayn't you stir? mayn't they stir?  | mayn't I be stirring? mayn't you be stirring? mayn't he be stirring? mayn't we be stirring? mayn't you be stirring? mayn't they be stirring?  | 
Perfeito | Perfeito com V-ing | 
| mayn't I have stirred? mayn't you have stirred? mayn't he have stirred? mayn't we have stirred? mayn't you have stirred? mayn't they have stirred?  | mayn't I have been stirring? mayn't you have been stirring? mayn't he have been stirring? mayn't we have been stirring? mayn't you have been stirring? mayn't they have been stirring?  |