| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [adv] [adv] | 597 |
|
| 2 | [pron] [verb] [adv] [adv] [to-vb] | 474 |
|
| 3 | when [pron] [verb] [adv] [to-vb] | 259 |
|
| 4 | when [pron] [verb] [adv] [to-vb] | 57 |
|
