| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why [verb] i [vb infin] [to-vb] | 41 |
|
| 2 | [verb] i [vb infin] [to-vb] [prep] | 35 |
|
| 3 | why [verb] i [vb infin] [prep] | 18 |
|
