| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] occur | 190 |
|
| 2 | it not [verb] | 190 |
|
| 3 | [pers pn] not occur | 6 |
|
| 4 | [pron] not occur | 6 |
|
| 5 | it not occur | 5 |
|
| 6 | it [not/n't] occur | 5 |
|
| 7 | it not occur | 5 |
|
