| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] [be] | 159341 |
|
| 2 | why [noun] [be] | 529 |
|
| 3 | why [noun] [modal v] | 324 |
|
| 4 | why [modal v] [be] | 6 |
|
