| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do i [vb infin] [prep] | 18 |
|
| 2 | why do i [vb infin] [prep] | 15 |
|
| 3 | why [vb base] i [vb infin] [prep] | 15 |
|
| 4 | why [verb] i [vb infin] to | 5 |
|
