| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [noun pl] [modal v] | 188 |
|
| 2 | [prep] what [noun pl] [noun] | 19 |
|
| 3 | what [noun pl] [modal v] [noun] | 17 |
|
| 4 | [prep] [noun pl] [modal v] [noun] | 12 |
|
