| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] [pron] | 2359 |
|
| 2 | [adv] do [not/n't] [pron] | 815 |
|
| 3 | [adv] why do [pron] | 291 |
|
| 4 | [adv] why do [not/n't] | 272 |
|
| 5 | [adv] why [not/n't] [pron] | 6 |
|
