| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do i [vb infin] [verb] [adv] | 6 |
|
| 2 | why [verb] i [vb infin] [verb] [adv] | 6 |
|
| 3 | why [verb] i [vb infin] [to-vb] [adv] | 5 |
|
