| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [unc] why [vb past] not [pers pn] | 6 |
|
| 2 | [unc] why did not [pers pn] | 6 |
|
| 3 | [no cls] why [vb past] not [pers pn] | 6 |
|
| 4 | [unc] why [vb past] n't [pers pn] | 6 |
|
| 5 | [unc] why [vb past] not you | 5 |
|
