| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [noun sg] [modal v] [noun] | 24 |
|
| 2 | [prep] what [noun] [modal v] [noun pl] | 11 |
|
| 3 | [prep] [pron] [noun sg] [modal v] [noun pl] | 9 |
|
