| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] ought to be [vb pp] | 64 |
|
| 2 | [Wh det] ought to [be] [vb pp] | 64 |
|
| 3 | [Wh det] ought to be [vb pp] | 64 |
|
| 4 | which ought to [be] [vb pp] | 44 |
|
| 5 | what ought to [be] [vb pp] | 20 |
|
| 6 | [Wh det] ought to [be] done | 11 |
|
| 7 | [Wh det] ought to [be] taken | 6 |
|
