| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] should [pron] [verb] [noun] | 64 |
|
| 2 | why [modal v] [pron] [verb] [noun] | 58 |
|
| 3 | why [vb mod] [pron] [verb] [noun] | 58 |
|
| 4 | why should [pron] [verb] [noun] | 44 |
|
