| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pers pn] [vb past] [pron] | 5809 |
|
| 2 | [pers pn] [vb past] [Wh det] [pron] | 1320 |
|
| 3 | when [pers pn] [vb past] [Wh det] | 104 |
|
