| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] should [noun] | 227 |
|
| 2 | why [vb mod] [noun] | 190 |
|
| 3 | why [modal v] [noun] | 190 |
|
| 4 | [Wh adv] should [noun] | 187 |
|
| 5 | why should [noun] | 148 |
|
| 6 | why should [noun] | 148 |
|
