| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could have been [prep] [det] | 8 |
|
| 2 | [noun] could have been [prep] [det] | 6 |
|
| 3 | [pers pn] could have been [prep] [det] | 5 |
|
| 4 | could have been [verb] [prep] [det] | 43 |
|
| 5 | could have been [vb pp] [prep] [det] | 40 |
|
| 6 | could have been [adj] [prep] [det] | 12 |
|
| 7 | could have been [adj] [prep] [det] | 8 |
|
| 8 | could have been [prep] [det] [noun] | 11 |
|
| 9 | could have been [prep] [det] [noun sg] | 10 |
|
