| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been working [prep] | 235 |
|
| 2 | [Wh det] [pers pn] have been [prep] | 75 |
|
| 3 | [Wh det] [pers pn] have been working | 18 |
|
| 4 | [Wh det] have been working [prep] | 9 |
|
