| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have [pers pn] been [v-ing] for | 5 |
|
| 2 | what [verb] [pers pn] been [v-ing] for | 5 |
|
| 3 | [Wh det] [verb] [pers pn] been [v-ing] for | 5 |
|
