| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [pers pn] at [noun] | 180 |
|
| 2 | when [pron] [vb past] at [noun] | 173 |
|
| 3 | when [pron] [vb past] [pers pn] at | 43 |
|
| 4 | when [pron] [vb past] [pers pn] [noun] | 25 |
|
