| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] at [art] | 224 |
|
| 2 | [pron] [vb past] in at [art] | 49 |
|
| 3 | when [pron] [vb past] in at | 14 |
|
| 4 | when [pron] [vb past] in [art] | 13 |
|
