| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [pron] should [vb infin] [noun] | 23 |
|
| 2 | [adv] you should [vb infin] [noun] | 23 |
|
| 3 | why [pers pn] should [vb infin] [noun] | 22 |
|
| 4 | why you [modal v] [vb infin] [noun] | 13 |
|
| 5 | why you should [verb] [noun] | 5 |
|
| 6 | why you should [vb infin] [noun] | 5 |
|
