| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but how [modal v] [pron] [vb infin] [pron] | 53 |
|
| 2 | [conj] how can [pron] [vb infin] [pron] | 40 |
|
| 3 | but [adv] can [pron] [vb infin] [pron] | 31 |
|
| 4 | but how can [pron] [verb] [pron] | 25 |
|
