| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [conj] | 3439 |
|
| 2 | [pron] [vb past] when | 1543 |
|
| 3 | it [vb past] [subord] | 701 |
|
| 4 | it [verb] when | 279 |
|
| 5 | it [vb past] when | 132 |
|
