| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it when [pron] [verb] | 687 |
|
| 2 | it [conj] it [verb] | 627 |
|
| 3 | [pron] when it [verb] | 146 |
|
| 4 | [pers pn] when it [verb] | 122 |
|
| 5 | it when it [verb] | 80 |
|
