| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it [verb] | 5193 |
|
| 2 | [vb -s] it [verb] | 4294 |
|
| 3 | [vb -s] when [verb] | 101 |
|
| 4 | [vb -s] when it | 82 |
|
