| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [modal v] [adv] [noun prp] | 34 |
|
| 2 | why [vb mod] [adv] [noun prp] | 34 |
|
| 3 | why ca [adv] [noun] | 23 |
|
| 4 | [adv] ca [adv] [noun prp] | 10 |
|
| 5 | why can [adv] [noun prp] | 9 |
|
