| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [modal v] [adv] [noun] [verb] | 40 |
|
| 2 | [modal v] [adv] [adj] [noun] [verb] | 26 |
|
| 3 | why [modal v] [adv] [adj] [noun] | 12 |
|
| 4 | why [modal v] [adj] [noun] [verb] | 9 |
|
