| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at a | 2102 |
|
| 2 | [be] [to-vb] [prep] a | 500 |
|
| 3 | [be] [to-vb] at [art] | 181 |
|
| 4 | [be] [to-vb] at [art] | 181 |
|
| 5 | [be] [to-vb] at a | 26 |
|
