| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [noun prp] [noun prp] [verb] at the | 14 |
|
| 2 | when [noun prp] [noun prp] [vb past] at the | 12 |
|
| 3 | when [noun prp] [noun prp] arrived at the | 5 |
|
| 4 | when [noun prp] [noun prp] arrive at the | 5 |
|
