| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [conj] it [is] [adv] [verb] | 105 |
|
| 2 | [conj] when it [be] [adv] [verb] | 18 |
|
| 3 | [conj] when [pron] [is] [adv] [verb] | 17 |
|
