| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [adv] for | 505 |
|
| 2 | [verb] been working [adv] | 215 |
|
| 3 | [verb] been working for | 66 |
|
| 4 | been working [adv] for | 25 |
|
