
Regular verb: snow - snowed - snowed
Simple form | V-ing form |
| - - it can snow - - - | - - it can be snowing - - - |
Perfect | V-ing perfect |
| - - it can have snowed - - - | - - it can have been snowing - - - |
Simple form | V-ing form |
| - - it cannot snow - - - | - - it cannot be snowing - - - |
Perfect | V-ing perfect |
| - - it cannot have snowed - - - | - - it cannot have been snowing - - - |
Simple form | V-ing form |
| - - can it snow? - - - | - - can it be snowing? - - - |
Perfect | V-ing perfect |
| - - can it have snowed? - - - | - - can it have been snowing? - - - |
Simple form | V-ing form |
| - - can it not snow? - - - | - - can it not be snowing? - - - |
Perfect | V-ing perfect |
| - - can it not have snowed? - - - | - - can it not have been snowing? - - - |