| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] at | 2439 |
|
| 2 | [been] work [prep] | 585 |
|
| 3 | [been] work [prep] | 585 |
|
| 4 | [be] work at | 235 |
|
| 5 | [been] work at | 50 |
|
