| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] been [adv] [adj] | 368 |
|
| 2 | could [adv] [verb] been [adv] | 195 |
|
| 3 | could [adv] [verb] been [adj] | 82 |
|
| 4 | could [verb] been [adv] [adj] | 72 |
|
| 5 | could [adv] [verb] [adv] [adj] | 42 |
|
