| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adv] [vb past] | 5942 |
|
| 2 | when it [vb past] | 2232 |
|
| 3 | when it [adv] | 128 |
|
| 4 | when [adv] [vb past] | 30 |
|
