| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why have [pron] [not/n't] [vb pp] | 9 |
|
| 2 | why have [pron] [not/n't] [verb] | 9 |
|
| 3 | why have [pron] not [verb] | 9 |
|
| 4 | why have [pers pn] [not/n't] [verb] | 9 |
|
| 5 | why have you [not/n't] [verb] | 6 |
|
| 6 | why have you [not/n't] [verb] | 6 |
|
