| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [noun sg] [modal v] [noun] [verb] | 15 |
|
| 2 | [pron] [noun sg] [modal v] [noun] [vb infin] | 12 |
|
| 3 | what [noun] [modal v] [noun] [vb infin] | 11 |
|
