
Irregular verb: freeze - froze - frozen
Simple form | V-ing form | 
| - - it might freeze - - -  | - - it might be freezing - - -  | 
Perfect | V-ing perfect | 
| - - it might have frozen - - -  | - - it might have been freezing - - -  | 
Simple form | V-ing form | 
| - - it might not freeze - - -  | - - it might not be freezing - - -  | 
Perfect | V-ing perfect | 
| - - it might not have frozen - - -  | - - it might not have been freezing - - -  | 
Simple form | V-ing form | 
| - - might it freeze? - - -  | - - might it be freezing? - - -  | 
Perfect | V-ing perfect | 
| - - might it have frozen? - - -  | - - might it have been freezing? - - -  | 
Simple form | V-ing form | 
| - - might it not freeze? - - -  | - - might it not be freezing? - - -  | 
Perfect | V-ing perfect | 
| - - might it not have frozen? - - -  | - - might it not have been freezing? - - -  |