| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do [not/n't] we | 230 |
|
| 2 | [adv] why do [not/n't] | 175 |
|
| 3 | [adv] do [not/n't] we | 33 |
|
| 4 | [adv] why do we | 14 |
|
