| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] at the | 210 |
|
| 2 | [pron] [vb past] at the [noun prp] | 166 |
|
| 3 | when [pron] [vb past] at [noun prp] | 131 |
|
| 4 | when [pron] [vb past] the [noun prp] | 122 |
|
