| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [modal v] [not/n't] [noun] | 64 |
|
| 2 | [modal v] [not/n't] [adj] [noun] | 39 |
|
| 3 | why [modal v] [adj] [noun] | 19 |
|
| 4 | why [modal v] [not/n't] [adj] | 11 |
|
| 5 | why [not/n't] [adj] [noun] | 5 |
|
