| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] [pers pn] at [noun] | 11 |
|
| 2 | when [pers pn] [vb past] [pers pn] at [noun] | 11 |
|
| 3 | when [pron] [vb past] [pers pn] at [noun prp] | 7 |
|
