| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could [verb] seen [art] | 6 |
|
| 2 | [pron] could [verb] seen [art] | 6 |
|
| 3 | could [verb] seen [art] [noun sg] | 5 |
|
| 4 | could [verb] seen [art] [noun] | 5 |
|
