
Auxiliar modal can - could
| Presente | Presente continuo | Pretérito | Pretérito continuo | 
| can I? can you? can he? can we? can you? can they? | - | could I? could you? could he? could we? could you? could they? | - | 
| Presente perfecto | Presente perfecto continuo | Pluscuamperfecto | Pluscuamperfecto continuo | 
| - | - | - | - | 
| Futuro simple | Futuro continuo | Futuro perfecto | Futuro perfecto contínuo | 
| - | - | - | - | 
| Presente | Presente continuo | Passado | Passado continuo | 
| - | - | - | - | 
| Infinitivo | Imperativo | 
| Infinitivo | Imperativo | ||
| - | - | 
| Presente | Passado | ||
| - | - |