| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [modal v] [not/n't] [noun] [verb] | 40 |
|
| 2 | why [modal v] [not/n't] [noun] [vb infin] | 33 |
|
| 3 | why [modal v] [adv] [noun] have | 6 |
|
| 4 | [adv] [modal v] [not/n't] [noun] have | 6 |
|
| 5 | why [modal v] [not/n't] [noun] have | 6 |
|
