| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [verb] at | 231 |
|
| 2 | [conj] arrive at | 117 |
|
| 3 | when arrive [prep] | 9 |
|
| 4 | when arrive [prep] | 9 |
|
| 5 | when arrive at | 5 |
|
