| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [pron] can [be] [vb pp] | 146 |
|
| 2 | [to-vb] [pron] can [be] [vb pp] | 33 |
|
| 3 | [to-vb] [Wh adv] [pron] can [be] | 18 |
|
