| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] when it [verb] | 32 |
|
| 2 | [not/n't] [vb pp] when [pron] [verb] | 28 |
|
| 3 | [not/n't] [vb pp] [conj] it [verb] | 27 |
|
| 4 | [not/n't] [verb] when it [verb] | 16 |
|
