| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has not been [adj] for | 18 |
|
| 2 | [vb -s] not been [adj] for | 12 |
|
| 3 | [vb -s] n't been [adj] for | 8 |
|
| 4 | [vb -s] not been easy for | 5 |
|
