| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could have been | 975 |
|
| 2 | [pers pn] have been [det] | 231 |
|
| 3 | [pers pn] could have [det] | 114 |
|
| 4 | could have been [det] | 63 |
|
