| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when i [verb] [prep] a | 73 |
|
| 2 | when i [verb] at [art] | 60 |
|
| 3 | when [pron] [verb] at a | 38 |
|
| 4 | [conj] i [verb] at a | 26 |
|
