| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why do it [verb] to | 23 |
|
| 2 | why do it [vb infin] to | 23 |
|
| 3 | why do it have to | 19 |
|
| 4 | why do it have to | 19 |
|
| 5 | why did it [verb] to | 14 |
|
| 6 | why does it [verb] to | 9 |
|
