| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [pron] should [vb infin] [adj] [noun] | 100 |
|
| 2 | why [pron] [modal v] [vb infin] [adj] [noun] | 29 |
|
| 3 | why [pron] should [verb] [adj] [noun] | 22 |
|
