| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] why do n't | 281 |
|
| 2 | [adv] [unc] do n't | 55 |
|
| 3 | [unc] why do n't | 23 |
|
| 4 | [adv] [unc] why do | 14 |
|
