| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] work at the | 30 |
|
| 2 | had work at [art] | 21 |
|
| 3 | [vb past] worked at [art] | 20 |
|
| 4 | [vb past] to work at [art] | 11 |
|
| 5 | [vb past] work at a | 5 |
|
