| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [adj] [noun] | 108 |
|
| 2 | why [modal v] not [noun] | 64 |
|
| 3 | why [modal v] [adj] [noun] | 53 |
|
| 4 | why [modal v] not [adj] | 47 |
|
| 5 | why not [adj] [noun] | 9 |
|
