| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] could have been [art] [adj] | 7 |
|
| 2 | [adj] could have been a [adj] | 6 |
|
| 3 | this could have been [art] [adj] | 6 |
|
| 4 | this could have been [art] [adj] | 6 |
|
| 5 | [adj] could have been [art] [adj] | 6 |
|
