| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] they [vb mod] | 2390 |
|
| 2 | [Wh det] they [modal v] | 2390 |
|
| 3 | [Wh det] [pron] could | 1915 |
|
| 4 | [Wh det] [pers pn] could | 1827 |
|
| 5 | [pron] they could | 589 |
|
| 6 | [Wh det] they could | 407 |
|
| 7 | [Wh det] they could | 407 |
|
