| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] why do n't | 43 |
|
| 2 | [noun] why do n't | 40 |
|
| 3 | [noun] why did n't | 10 |
|
| 4 | [noun] why does n't | 9 |
|
| 5 | [noun pl] why do n't | 9 |
|
| 6 | [noun prp] why do n't | 7 |
|
