
Verbo regular: owe - owed - owed
Forma simple | Forma con V-ing | 
| I could owe you could owe he could owe we could owe you could owe they could owe  | I could be owing you could be owing he could be owing we could be owing you could be owing they could be owing  | 
Perfecto | Perfecto con V-ing | 
| I could have owed you could have owed he could have owed we could have owed you could have owed they could have owed  | I could have been owing you could have been owing he could have been owing we could have been owing you could have been owing they could have been owing  | 
Forma simple | Forma con V-ing | 
| I couldn't owe you couldn't owe he couldn't owe we couldn't owe you couldn't owe they couldn't owe  | I couldn't be owing you couldn't be owing he couldn't be owing we couldn't be owing you couldn't be owing they couldn't be owing  | 
Perfecto | Perfecto con V-ing | 
| I couldn't have owed you couldn't have owed he couldn't have owed we couldn't have owed you couldn't have owed they couldn't have owed  | I couldn't have been owing you couldn't have been owing he couldn't have been owing we couldn't have been owing you couldn't have been owing they couldn't have been owing  | 
Forma simple | Forma con V-ing | 
| could I owe? could you owe? could he owe? could we owe? could you owe? could they owe?  | could I be owing? could you be owing? could he be owing? could we be owing? could you be owing? could they be owing?  | 
Perfecto | Perfecto con V-ing | 
| could I have owed? could you have owed? could he have owed? could we have owed? could you have owed? could they have owed?  | could I have been owing? could you have been owing? could he have been owing? could we have been owing? could you have been owing? could they have been owing?  | 
Forma simple | Forma con V-ing | 
| couldn't I owe? couldn't you owe? couldn't he owe? couldn't we owe? couldn't you owe? couldn't they owe?  | couldn't I be owing? couldn't you be owing? couldn't he be owing? couldn't we be owing? couldn't you be owing? couldn't they be owing?  | 
Perfecto | Perfecto con V-ing | 
| couldn't I have owed? couldn't you have owed? couldn't he have owed? couldn't we have owed? couldn't you have owed? couldn't they have owed?  | couldn't I have been owing? couldn't you have been owing? couldn't he have been owing? couldn't we have been owing? couldn't you have been owing? couldn't they have been owing?  |