| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [vb infin] [pers pn] [adv] | 1964 |
|
| 2 | [modal v] [vb infin] [pers pn] down | 425 |
|
| 3 | can [vb infin] [pron] down | 66 |
|
| 4 | can [verb] [pers pn] down | 65 |
|
