| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could have been [art] | 168 |
|
| 2 | [pers pn] could have been [adj] | 163 |
|
| 3 | [pers pn] could have [art] [adj] | 129 |
|
| 4 | could have been [art] [adj] | 119 |
|
| 5 | [pers pn] have been [art] [adj] | 14 |
|
