| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] n't been | 751 |
|
| 2 | [vb -s] been for | 163 |
|
| 3 | n't been for | 149 |
|
| 4 | [vb -s] n't for | 6 |
|
