| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [modal v] | 14323 |
|
| 2 | [vb past] [pers pn] [modal v] | 13602 |
|
| 3 | [verb] they [modal v] | 5355 |
|
| 4 | [vb past] they [modal v] | 1439 |
|
