| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [be] [verb] [prep] | 20687 |
|
| 2 | [vb mod] [be] [verb] at | 4041 |
|
| 3 | [modal v] [be] [verb] at | 4041 |
|
| 4 | can [be] [verb] at | 902 |
|
| 5 | can [be] [verb] at | 902 |
|
