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