| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] why do n't | 19 |
|
| 2 | [vb base] [Wh adv] do n't | 17 |
|
| 3 | look [Wh adv] do n't | 5 |
|
| 4 | know [Wh adv] do n't | 5 |
|
