| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] [not/n't] [pron] [vb infin] | 1965 |
|
| 2 | [verb] [not/n't] [pron] [vb infin] on | 28 |
|
| 3 | why [verb] [pron] [vb infin] on | 22 |
|
