| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [not/n't] [vb pp] | 1829 |
|
| 2 | it [adv] [be] [not/n't] | 431 |
|
| 3 | [adv] [be] [not/n't] [vb pp] | 221 |
|
| 4 | it [adv] [be] [vb pp] | 165 |
|
