
Verbo regular: shrill - shrilled - shrilled
Forma simple | Forma con V-ing | 
| I may shrill you may shrill he may shrill we may shrill you may shrill they may shrill  | I may be shrilling you may be shrilling he may be shrilling we may be shrilling you may be shrilling they may be shrilling  | 
Perfecto | Perfecto con V-ing | 
| I may have shrilled you may have shrilled he may have shrilled we may have shrilled you may have shrilled they may have shrilled  | I may have been shrilling you may have been shrilling he may have been shrilling we may have been shrilling you may have been shrilling they may have been shrilling  | 
Forma simple | Forma con V-ing | 
| I mayn't shrill you mayn't shrill he mayn't shrill we mayn't shrill you mayn't shrill they mayn't shrill  | I mayn't be shrilling you mayn't be shrilling he mayn't be shrilling we mayn't be shrilling you mayn't be shrilling they mayn't be shrilling  | 
Perfecto | Perfecto con V-ing | 
| I mayn't have shrilled you mayn't have shrilled he mayn't have shrilled we mayn't have shrilled you mayn't have shrilled they mayn't have shrilled  | I mayn't have been shrilling you mayn't have been shrilling he mayn't have been shrilling we mayn't have been shrilling you mayn't have been shrilling they mayn't have been shrilling  | 
Forma simple | Forma con V-ing | 
| may I shrill? may you shrill? may he shrill? may we shrill? may you shrill? may they shrill?  | may I be shrilling? may you be shrilling? may he be shrilling? may we be shrilling? may you be shrilling? may they be shrilling?  | 
Perfecto | Perfecto con V-ing | 
| may I have shrilled? may you have shrilled? may he have shrilled? may we have shrilled? may you have shrilled? may they have shrilled?  | may I have been shrilling? may you have been shrilling? may he have been shrilling? may we have been shrilling? may you have been shrilling? may they have been shrilling?  | 
Forma simple | Forma con V-ing | 
| mayn't I shrill? mayn't you shrill? mayn't he shrill? mayn't we shrill? mayn't you shrill? mayn't they shrill?  | mayn't I be shrilling? mayn't you be shrilling? mayn't he be shrilling? mayn't we be shrilling? mayn't you be shrilling? mayn't they be shrilling?  | 
Perfecto | Perfecto con V-ing | 
| mayn't I have shrilled? mayn't you have shrilled? mayn't he have shrilled? mayn't we have shrilled? mayn't you have shrilled? mayn't they have shrilled?  | mayn't I have been shrilling? mayn't you have been shrilling? mayn't he have been shrilling? mayn't we have been shrilling? mayn't you have been shrilling? mayn't they have been shrilling?  |