| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been working on | 186 |
|
| 2 | been working for | 78 |
|
| 3 | been working in | 75 |
|
| 4 | been working with | 72 |
|
| 5 | been working at | 46 |
|
| 6 | been working as | 21 |
|
| 7 | been working towards | 17 |
|
| 8 | been working since | 9 |
|
| 9 | been working under | 6 |
|
