| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] have n't be | 16 |
|
| 2 | it [adv] [verb] n't been | 16 |
|
| 3 | it [adv] [vb -s] n't be | 11 |
|
| 4 | it [adv] has n't be | 11 |
|
| 5 | it [adv] had n't be | 5 |
|
| 6 | it [adv] [vb past] n't be | 5 |
|
