
Verbo regular: rain - rained - rained
| Forma simple | Forma con V-ing | 
| - - it can rain - - - | - - it can be raining - - - | 
| Perfecto | Perfecto con V-ing | 
| - - it can have rained - - - | - - it can have been raining - - - | 
| Forma simple | Forma con V-ing | 
| - - it cannot rain - - - | - - it cannot be raining - - - | 
| Perfecto | Perfecto con V-ing | 
| - - it cannot have rained - - - | - - it cannot have been raining - - - | 
| Forma simple | Forma con V-ing | 
| - - can it rain? - - - | - - can it be raining? - - - | 
| Perfecto | Perfecto con V-ing | 
| - - can it have rained? - - - | - - can it have been raining? - - - | 
| Forma simple | Forma con V-ing | 
| - - can it not rain? - - - | - - can it not be raining? - - - | 
| Perfecto | Perfecto con V-ing | 
| - - can it not have rained? - - - | - - can it not have been raining? - - - |