| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] could [adv] [vb infin] | 13 |
|
| 2 | [pers pn] [verb] could [adv] [verb] | 12 |
|
| 3 | [pron] [vb past] could [adv] [verb] | 8 |
|
