| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] they [modal v] [verb] | 1088 |
|
| 2 | [vb base] [pron] [modal v] [to-vb] | 356 |
|
| 3 | [verb] they [modal v] [to-vb] | 108 |
|
