| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] have been doing for | 10 |
|
| 2 | what [pron] have [been] doing for | 10 |
|
| 3 | [Wh det] [pers pn] have [been] doing for | 10 |
|
