| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] why do n't | 48 |
|
| 2 | know [adv] do n't | 8 |
|
| 3 | know why do n't | 6 |
|
| 4 | know why [verb] n't | 6 |
|
| 5 | know why [vb base] n't | 5 |
|
| 6 | know why do [adv] | 5 |
|
| 7 | know why do [not/n't] | 5 |
|
| 8 | know why do not | 5 |
|
