| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] [adv prt] | 3422 |
|
| 2 | when [pron] [vb past] first | 97 |
|
| 3 | [pron] [vb past] [adv prt] first | 21 |
|
