| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] he [verb] at [noun] | 200 |
|
| 2 | [conj] when he [verb] [noun] | 77 |
|
| 3 | when he [verb] at [noun] | 65 |
|
| 4 | [conj] when he [verb] at | 20 |
|
