| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] can [vb infin] [Wh det] | 5 |
|
| 2 | [Wh det] [pers pn] can [verb] [Wh det] | 5 |
|
| 3 | which [pron] can [verb] [Wh det] | 5 |
|
