| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] [det] [noun] | 868 |
|
| 2 | could [verb] [verb] [det] [noun] | 186 |
|
| 3 | could [verb] been [det] [noun] | 30 |
|
| 4 | could [verb] been [verb] [noun] | 13 |
|
| 5 | could [verb] been [verb] [det] | 9 |
|
