| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [unc] [adv] can [pron] [vb infin] [pron] | 12 |
|
| 2 | [unc] how [modal v] [pron] [vb infin] [pron] | 10 |
|
| 3 | [unc] how can [pron] [verb] [pron] | 6 |
|
