| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb -s] n't [pron] | 123 |
|
| 2 | then [vb -s] n't [pron] | 14 |
|
| 3 | then why [vb -s] n't | 7 |
|
| 4 | then why [vb -s] [pron] | 6 |
|
