| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [prep] [det] [noun] | 452 |
|
| 2 | could [verb] [prep] [det] [noun] | 423 |
|
| 3 | could [verb] been [det] [noun] | 30 |
|
| 4 | could [verb] been [prep] [noun] | 23 |
|
| 5 | could [verb] been [prep] [det] | 21 |
|
