| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pers pn] ought to | 77 |
|
| 2 | [adv] [pers pn] ought to | 54 |
|
| 3 | perhaps [pron] ought to | 21 |
|
| 4 | perhaps [pers pn] ought to | 18 |
|
| 5 | perhaps [pers pn] [modal v] to | 18 |
|
| 6 | perhaps [pers pn] ought [prep] | 18 |
|
