| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [verb] | 40418 |
|
| 2 | [vb -s] n't [verb] | 15023 |
|
| 3 | n't been [verb] | 1046 |
|
| 4 | [vb -s] n't been | 751 |
|
