| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] [prep] [adj] | 4380 |
|
| 2 | could [verb] been [verb] [prep] | 541 |
|
| 3 | could [verb] [verb] [prep] [adj] | 59 |
|
| 4 | could [verb] been [verb] [adj] | 12 |
|
| 5 | could [verb] been [prep] [adj] | 8 |
|
