| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] [vb past] been [prep] [noun] | 6 |
|
| 2 | [Wh det] [pron] [vb past] [been] [prep] [noun] | 6 |
|
| 3 | [Wh det] [pers pn] [vb past] [been] [prep] [noun] | 5 |
|
| 4 | what [pron] [vb past] [been] [prep] [noun] | 5 |
|
