| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | work as a [noun sg] at the | 16 |
|
| 2 | worked [prep] a [noun sg] at the | 9 |
|
| 3 | working [prep] a [noun sg] at the | 8 |
|
| 4 | work in a [noun sg] at the | 5 |
|
