| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but why [verb] [pron] [vb infin] to | 8 |
|
| 2 | but why do [pron] [vb infin] to | 8 |
|
| 3 | but why [verb] [pers pn] [vb infin] to | 8 |
|
| 4 | but why [verb] [pron] have to | 6 |
|
