| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | work at the | 565 |
|
| 2 | [Wh pn] work at | 124 |
|
| 3 | [Wh pn] at the | 79 |
|
| 4 | [Wh pn] work the | 23 |
|
