| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pers pn] have been [verb] at | 19 |
|
| 2 | [Wh det] [pers pn] have been [v-ing] at | 12 |
|
| 3 | [Wh det] [pers pn] have been [vb pp] at | 7 |
|
| 4 | [Wh det] [pers pn] have been looking at | 6 |
|
| 5 | [Wh det] [pers pn] have been look at | 6 |
|
