| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb -s] n't [pron] [verb] | 100 |
|
| 2 | [vb -s] n't [pron] [adv] [verb] | 37 |
|
| 3 | why [vb -s] [pron] [adv] [verb] | 17 |
|
| 4 | why [vb -s] n't [pron] [adv] | 10 |
|
