| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at a | 2447 |
|
| 2 | to [be] [verb] at | 2185 |
|
| 3 | to [be] [verb] a | 1037 |
|
| 4 | to [be] at a | 68 |
|
| 5 | to [verb] at a | 8 |
|
