| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] n't been [adj] | 18 |
|
| 2 | it had n't been [adj] | 18 |
|
| 3 | it [vb past] n't been [adj] | 13 |
|
| 4 | it [vb past] n't been [det] | 5 |
|
