| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] they [modal v] | 1633 |
|
| 2 | [Wh adv] they [vb mod] | 1633 |
|
| 3 | [Wh adv] [pron] could | 1347 |
|
| 4 | [Wh adv] [pers pn] could | 1275 |
|
| 5 | [adv] they could | 722 |
|
| 6 | [Wh adv] they could | 213 |
|
| 7 | [Wh adv] they could | 213 |
|
