| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [modal v] i [adv] | 19 |
|
| 2 | why [vb mod] i [adv] | 19 |
|
| 3 | why should i [adv] | 13 |
|
| 4 | why should i [adv] | 13 |
|
| 5 | why [modal v] i [adv] | 11 |
|
| 6 | why [modal v] i not | 8 |
|
| 7 | why [modal v] i [not/n't] | 8 |
|
| 8 | why [modal v] i not | 8 |
|
