| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at [art] | 9210 |
|
| 2 | work at [art] | 713 |
|
| 3 | [vb past] work at | 91 |
|
| 4 | [vb past] work [art] | 62 |
|
