| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] n't been | 404 |
|
| 2 | it have n't [been] | 404 |
|
| 3 | it [vb past] n't [been] | 257 |
|
| 4 | it had n't [been] | 257 |
|
| 5 | it has n't [been] | 147 |
|
| 6 | it [vb -s] n't [been] | 147 |
|
