| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] [pron] | 5862 |
|
| 2 | [adv prt] when [pron] [vb past] | 551 |
|
| 3 | [adv prt] [pron] [vb past] [pron] | 338 |
|
