| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [Wh det] [pers pn] could | 11 |
|
| 2 | [verb] [adv] what [pron] could | 9 |
|
| 3 | [vb past] [adv] [Wh det] [pron] could | 5 |
|
