| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] been [art] | 369 |
|
| 2 | well [verb] been [art] | 102 |
|
| 3 | could well [verb] [art] | 91 |
|
| 4 | could well [verb] been | 70 |
|
