| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] when | 279 |
|
| 2 | it [vb pp] [conj] | 234 |
|
| 3 | it [vb pp] [subord] | 47 |
|
| 4 | [pron] [vb pp] when | 43 |
|
| 5 | it [vb pp] when | 8 |
|
