| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [art] | 1377 |
|
| 2 | could have been [verb] for | 69 |
|
| 3 | could have been [verb] [art] | 21 |
|
| 4 | could have [verb] for [art] | 20 |
|
