| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [Wh det] [vb mod] [pron] | 7 |
|
| 2 | [vb pp] what [modal v] [pron] | 5 |
|
| 3 | [vb pp] [Wh det] [modal v] [pers pn] | 5 |
|
