| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb base] n't [pers pn] | 1617 |
|
| 2 | then why [vb base] [pers pn] | 37 |
|
| 3 | then [vb base] n't [pers pn] | 33 |
|
| 4 | then why [vb base] n't | 25 |
|
