| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when he [verb] [art] | 1702 |
|
| 2 | he [verb] at [art] | 1397 |
|
| 3 | when he [verb] at | 192 |
|
| 4 | when [verb] at [art] | 82 |
|
