| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pos pn] [noun] [modal v] [be] [prep] | 337 |
|
| 2 | what [pos pn] [noun] [modal v] [be] | 109 |
|
| 3 | what [pos pn] [noun] [be] [prep] | 97 |
|
| 4 | what [noun] [modal v] [be] [prep] | 50 |
|
