| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have been [prep] [adj] | 30 |
|
| 2 | [vb mod] have been [prep] any | 15 |
|
| 3 | [modal v] have been [prep] any | 15 |
|
| 4 | could have been [prep] any | 9 |
|
| 5 | could have be [prep] any | 9 |
|
| 6 | could have [been] [prep] any | 9 |
|
| 7 | could have been [prep] any | 9 |
|
| 8 | could have [be] [prep] any | 9 |
|
| 9 | could [verb] been [prep] any | 9 |
|
