| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do not [pers pn] [verb] go | 6 |
|
| 2 | why [vb base] not [pers pn] [vb infin] go | 6 |
|
| 3 | why [vb base] n't [pers pn] [verb] go | 6 |
|
