| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] when it [is] [not/n't] | 30 |
|
| 2 | [noun] it [is] [not/n't] [v-ing] | 27 |
|
| 3 | [noun] when it [is] [v-ing] | 23 |
|
| 4 | when it [is] [not/n't] [v-ing] | 11 |
|
