| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] could be [verb] to | 9 |
|
| 2 | [adv] [pron] could [be] [vb pp] to | 8 |
|
| 3 | [adv] [pers pn] could [be] [verb] to | 6 |
|
