| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [noun] [verb] | 120 |
|
| 2 | why [modal v] [noun] [verb] | 97 |
|
| 3 | why [modal v] [adv] [noun] | 65 |
|
| 4 | why [modal v] [adv] [verb] | 8 |
|
