| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] at | 1866 |
|
| 2 | [vb past] [pron] work | 275 |
|
| 3 | [pron] at work | 136 |
|
| 4 | [vb past] at work | 31 |
|
