| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adj] a [noun sg] [modal v] | 175 |
|
| 2 | why [adj] [art] [noun sg] [modal v] | 14 |
|
| 3 | why [adj] a [noun sg] [modal v] | 14 |
|
| 4 | why [adj] [art] [noun sg] [modal v] | 14 |
|
| 5 | why [adj] a [noun] [modal v] | 11 |
|
