| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [verb] it [is] | 842 |
|
| 2 | [adv] [vb pp] it [is] | 81 |
|
| 3 | [not/n't] [vb pp] it [be] | 38 |
|
| 4 | [not/n't] [vb pp] [pron] [is] | 28 |
|
