| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] do [not/n't] | 8854 |
|
| 2 | why do [not/n't] | 2594 |
|
| 3 | [adv] why do | 628 |
|
| 4 | [adv] why [not/n't] | 249 |
|
