| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when i [vb past] at the | 40 |
|
| 2 | when i [vb past] at the | 40 |
|
| 3 | when i [vb past] at the | 40 |
|
| 4 | when i arrived at the | 18 |
|
| 5 | when i looked at the | 11 |
|
