| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] [adv] [vb past] to | 527 |
|
| 2 | when [pron] [adv] [vb past] [prep] | 150 |
|
| 3 | when [pron] [adv] [verb] to | 67 |
|
| 4 | when [pron] [adv] [vb past] to | 46 |
|
