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 ought not to thunder - - - | - - it ought not to thundering - - - |
Perfect | V-ing perfect |
- - it ought not to have thundered - - - | - - it ought not 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 |
- - ought it not to thunder? - - - | - - ought it not to be thundering? - - - |
Perfect | V-ing perfect |
- - ought it not to have thundered? - - - | - - ought it not to have been thundering? - - - |