| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh adv] [pron] can be used | 6 |
|
| 2 | [Wh adv] [pron] can be used [to-vb] | 6 |
|
| 3 | [Wh adv] [pron] can be used [verb] | 6 |
|
