| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb past] [not/n't] [pers pn] [vb infin] and | 10 |
|
| 2 | why did [not/n't] [pers pn] [vb infin] and | 10 |
|
| 3 | why [vb past] [not/n't] [pers pn] [vb infin] and | 10 |
|
| 4 | why [vb past] n't [pers pn] [vb infin] and | 10 |
|
| 5 | why [vb past] [not/n't] [pers pn] come and | 6 |
|
| 6 | why [vb past] [not/n't] you [vb infin] and | 6 |
|
