| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [vb mod] [pers pn] [adv] have | 11 |
|
| 2 | why [vb mod] [pron] [not/n't] have | 7 |
|
| 3 | why [vb mod] [pron] not have | 7 |
|
| 4 | why [vb mod] [pron] not have | 7 |
|
| 5 | why should [pron] [adv] have | 5 |
|
