| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] | 42938 |
|
| 2 | it [be] [not/n't] | 34822 |
|
| 3 | it be [not/n't] | 34796 |
|
| 4 | it [is] [not/n't] | 23613 |
|
| 5 | [pron] is [not/n't] | 18982 |
|
| 6 | [pers pn] is [not/n't] | 14891 |
|
| 7 | it is [not/n't] | 12746 |
|
