| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it 's [not/n't] [verb] | 905 |
|
| 2 | it 's [not/n't] [v-ing] | 539 |
|
| 3 | it be [not/n't] happening | 28 |
|
| 4 | it [be] [not/n't] happening | 28 |
|
| 5 | it 's [adv] happening | 24 |
|
| 6 | it [is] [not/n't] happening | 17 |
|
| 7 | [pron] 's [not/n't] happening | 9 |
|
| 8 | it 's [not/n't] happen | 9 |
|
