| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb mod] not [noun] | 64 |
|
| 2 | why [modal v] not [noun] | 64 |
|
| 3 | why [modal v] n't [noun] | 54 |
|
| 4 | why [modal v] not [noun prp] | 34 |
|
| 5 | why can not [noun] | 25 |
|
| 6 | why ca not [noun] | 23 |
|
| 7 | why could not [noun] | 17 |
|
| 8 | why should not [noun] | 17 |
|
| 9 | why could not [noun] | 17 |
|
| 10 | why should not [noun] | 17 |
|
| 11 | why [modal v] not [n mass] | 12 |
|
| 12 | why [modal v] not people | 12 |
|
| 13 | why [modal v] not people | 12 |
|
| 14 | why [modal v] not [noun pl] | 12 |
|
| 15 | why [modal v] not [noun] | 10 |
|
| 16 | why [modal v] not [noun sg] | 6 |
|
