| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then why [vb past] n't [pers pn] [vb infin] | 17 |
|
| 2 | then why did [not/n't] [pers pn] [vb infin] | 17 |
|
| 3 | then why [vb past] [not/n't] [pers pn] [vb infin] | 17 |
|
| 4 | then why [vb past] [not/n't] you [vb infin] | 10 |
|
