| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have been [vb pp] for [art] | 14 |
|
| 2 | could have been [verb] for [art] | 14 |
|
| 3 | could have been [verb] for [art] | 14 |
|
| 4 | could have been [verb] for a | 6 |
|
| 5 | could have been [verb] for the | 6 |
|
