| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do n't they go | 6 |
|
| 2 | why [verb] n't they go | 6 |
|
| 3 | why [vb base] n't they go | 5 |
|
| 4 | why do n't they go | 5 |
|
