| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] [pron] [prep] the | 196 |
|
| 2 | [conj] [pron] [vb past] [pron] at the | 70 |
|
| 3 | when [pron] [verb] [pron] at the | 24 |
|
| 4 | when [pron] [vb past] [pron] at [art] | 20 |
|
