| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why does [not/n't] [pron] [verb] | 99 |
|
| 2 | why does [not/n't] [pers pn] [verb] | 87 |
|
| 3 | why [verb] [not/n't] it [verb] | 20 |
|
| 4 | why do [not/n't] it [verb] | 17 |
|
| 5 | [adv] does [not/n't] it [verb] | 15 |
|
| 6 | why [vb -s] [not/n't] it [verb] | 15 |
|
| 7 | why does [adv] it [verb] | 13 |
|
| 8 | why does [not/n't] it [verb] | 13 |
|
