| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] can [vb infin] [modal v] [verb] | 39 |
|
| 2 | [Wh pn] [modal v] [vb infin] [modal v] [verb] | 21 |
|
| 3 | [Wh pn] can [verb] [modal v] [verb] | 18 |
|
