| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] at the [noun sg] | 316 |
|
| 2 | work at the [noun sg] | 311 |
|
| 3 | [been] work at the | 13 |
|
| 4 | [been] work at [noun sg] | 7 |
|
