| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] we ought to [be] [verb] | 11 |
|
| 2 | [Wh det] we ought to [be] [v-ing] | 11 |
|
| 3 | [Wh det] we ought to [be] doing | 7 |
|
| 4 | [Wh det] we ought to [be] do | 7 |
|
