| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pron] | 1553 |
|
| 2 | why [verb] [not/n't] i | 117 |
|
| 3 | why do [not/n't] i | 96 |
|
| 4 | [adv] do [not/n't] i | 68 |
|
| 5 | why [vb base] [not/n't] i | 58 |
|
| 6 | why do [adv] i | 48 |
|
