| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [modal v] [adv] [noun] | 65 |
|
| 2 | [modal v] [adv] [pos pn] [noun] | 64 |
|
| 3 | why [modal v] [pos pn] [noun] | 21 |
|
| 4 | why [modal v] [adv] [pos pn] | 10 |
|
