| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] could have been [adj] | 165 |
|
| 2 | [pers pn] [vb mod] have been [det] | 107 |
|
| 3 | [pers pn] [modal v] have been [det] | 107 |
|
| 4 | [pron] could have been [det] | 43 |
|
| 5 | [pers pn] could have been [det] | 28 |
|
| 6 | [pers pn] could [verb] been [det] | 28 |
|
| 7 | [pers pn] could have be [det] | 28 |
|
| 8 | [pers pn] could have [been] [det] | 28 |
|
| 9 | [pers pn] could have [be] [det] | 28 |
|
