| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] could [pers pn] [be] [verb] [conj] | 5 |
|
| 2 | [coord] could [pers pn] [be] [vb pp] [conj] | 5 |
|
| 3 | [coord] could [pers pn] [be] [conj] [pron] | 5 |
|
