| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh adv] they | 2282 |
|
| 2 | [verb] they could | 629 |
|
| 3 | [Wh adv] they could | 213 |
|
| 4 | [verb] [Wh adv] could | 14 |
|
