| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] ought [prep] [be] [v-ing] | 34 |
|
| 2 | [conj] we ought [prep] [be] [verb] | 15 |
|
| 3 | [conj] we [modal v] [prep] [be] [v-ing] | 13 |
|
