| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [noun sg] [modal v] [art] [noun] | 75 |
|
| 2 | what [noun] [modal v] a [noun] | 24 |
|
| 3 | [pron] [noun sg] [modal v] a [noun] | 15 |
|
