| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been working [adv] for | 14 |
|
| 2 | have be working [adv] for | 14 |
|
| 3 | have [been] working [adv] for | 14 |
|
| 4 | have [be] working [adv] for | 5 |
|
