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