| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [modal v] have been [verb] a | 78 |
|
| 2 | [pron] [vb mod] have been [verb] a | 78 |
|
| 3 | [pron] could have been [verb] [art] | 13 |
|
| 4 | [pron] could have been [verb] a | 11 |
|
| 5 | [pron] could [verb] been [verb] a | 11 |
|
| 6 | [pron] could have [been] [verb] a | 11 |
|
| 7 | [pron] could have [be] [verb] a | 11 |
|
| 8 | [pron] could have be [verb] a | 11 |
|
