Regular verb: thunder - thundered - thundered
Simple form | V-ing form |
- - it ought to thunder - - - | - - it ought to be thundering - - - |
Perfect | V-ing perfect |
- - it ought to have thundered - - - | - - it ought to have been thundering - - - |
Simple form | V-ing form |
- - it oughtn't to thunder - - - | - - it oughtn't to be thundering - - - |
Perfect | V-ing perfect |
- - it oughtn't to have thundered - - - | - - it oughtn't to have been thundering - - - |
Simple form | V-ing form |
- - ought to it thunder? - - - | - - ought to it be thundering? - - - |
Perfect | V-ing perfect |
- - ought to it have thundered? - - - | - - ought to it have been thundering? - - - |
Simple form | V-ing form |
- - oughtn't it to thunder? - - - | - - oughtn't it to be thundering? - - - |
Perfect | V-ing perfect |
- - oughtn't it to have thundered? - - - | - - oughtn't it to have been thundering? - - - |