| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] ought [prep] [be] | 962 |
|
| 2 | [Wh det] [vb mod] [prep] [be] | 321 |
|
| 3 | [Wh det] [modal v] [prep] [be] | 321 |
|
| 4 | [Wh det] ought [prep] [be] | 107 |
|
