| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [modal v] [noun] | 223 |
|
| 2 | [pron] could [noun] | 218 |
|
| 3 | [Wh det] could [noun] | 24 |
|
| 4 | what could [noun] | 13 |
|
