| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at | 27063 |
|
| 2 | [be] [to-vb] [prep] | 5691 |
|
| 3 | [be] [to-vb] [prep] | 5691 |
|
| 4 | [be] [to-vb] at | 418 |
|
