| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [pers pn] [vb past] [pers pn] at | 12 |
|
| 2 | [Wh adv] [pers pn] [vb past] it at | 6 |
|
| 3 | when [pers pn] [vb past] [pers pn] at | 5 |
|
