| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [pron] could | 1347 |
|
| 2 | [adv] she could | 877 |
|
| 3 | [Wh adv] she [vb mod] | 645 |
|
| 4 | [Wh adv] she [modal v] | 645 |
|
| 5 | [Wh adv] she could | 175 |
|
