| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been [prep] | 4020 |
|
| 2 | have been working [prep] | 484 |
|
| 3 | [pers pn] have been working | 443 |
|
| 4 | [pers pn] been working [prep] | 10 |
|
