| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it [verb] | 5193 |
|
| 2 | [vb infin] it [verb] | 2655 |
|
| 3 | [vb infin] when [verb] | 140 |
|
| 4 | [vb infin] when it | 101 |
|
