| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [vb pp] [det] [noun] | 466 |
|
| 2 | could [verb] [vb pp] [det] [noun] | 136 |
|
| 3 | could [verb] been [det] [noun] | 30 |
|
| 4 | could [verb] been [vb pp] [det] | 7 |
|
| 5 | could [verb] been [vb pp] [noun] | 6 |
|
