| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [noun sg] [noun] [noun] | 39 |
|
| 2 | [prep] what [noun sg] [modal v] [noun] | 24 |
|
| 3 | what [noun sg] [modal v] [noun] [noun] | 8 |
|
| 4 | [prep] [noun sg] [modal v] [noun] [noun] | 8 |
|
