| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [vb past] | 5895 |
|
| 2 | [adv] [vb past] when | 298 |
|
| 3 | it [adv] when | 165 |
|
| 4 | it [vb past] when | 132 |
|
