| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pers pn] have [be] working on | 5 |
|
| 2 | [Wh det] [pron] have [been] working on | 5 |
|
| 3 | [Wh det] [pron] have been working on | 5 |
|
| 4 | [Wh det] [pron] have be working on | 5 |
|
