| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] she ought to | 10 |
|
| 2 | [vb past] she [vb mod] to | 10 |
|
| 3 | [vb past] she [modal v] to | 10 |
|
| 4 | [vb past] she ought to | 10 |
|
