| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't [pron] | 2340 |
|
| 2 | [adv] do n't he | 250 |
|
| 3 | why [verb] n't he | 171 |
|
| 4 | why do not he | 150 |
|
| 5 | why do [adv] he | 150 |
|
| 6 | why do [not/n't] he | 150 |
|
