| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] at the | 210 |
|
| 2 | [pron] [vb past] [pers pn] at the | 202 |
|
| 3 | when [pron] [vb past] [pers pn] the | 75 |
|
| 4 | when [pron] [vb past] [pers pn] at | 43 |
|
