| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | person [modal v] to | 7 |
|
| 2 | person [modal v] to | 7 |
|
| 3 | person [vb mod] to | 7 |
|
| 4 | person ought to | 5 |
|
| 5 | person ought to | 5 |
|
