| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] [adv] when it | 12 |
|
| 2 | [verb] [to-vb] [adv prt] when it | 7 |
|
| 3 | [verb] [to-vb] [adv] when it | 5 |
|
