| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's not [verb] | 903 |
|
| 2 | it 's [adv] happen | 25 |
|
| 3 | it be not happen | 14 |
|
| 4 | it [be] not happen | 14 |
|
| 5 | it [is] not happen | 13 |
|
| 6 | it 's not happen | 9 |
|
| 7 | [pron] 's not happen | 9 |
|
| 8 | it 's not happen | 9 |
|
| 9 | [pers pn] 's not happen | 9 |
|
| 10 | it 's [not/n't] happen | 9 |
|
