| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [noun] [verb] at | 1613 |
|
| 2 | when [noun] [verb] [prep] | 1494 |
|
| 3 | when [noun] [verb] [prep] | 1494 |
|
| 4 | when [noun] [verb] at | 140 |
|
