| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] what [noun] | 1614 |
|
| 2 | [conj] what [modal v] | 899 |
|
| 3 | [conj] [modal v] [noun] | 365 |
|
| 4 | what [modal v] [noun] | 223 |
|
