| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [noun] [vb base] not [verb] | 26 |
|
| 2 | why [noun] [vb base] not [vb infin] | 23 |
|
| 3 | why [noun] do not [verb] | 23 |
|
| 4 | why [noun] [vb base] n't [verb] | 15 |
|
| 5 | why [noun pl] [vb base] not [verb] | 14 |
|
| 6 | why [noun] [vb base] not [verb] | 11 |
|
| 7 | why [n mass] [vb base] not [verb] | 10 |
|
| 8 | why people [vb base] not [verb] | 10 |
|
| 9 | why people [vb base] not [verb] | 10 |
|
