| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at a | 571 |
|
| 2 | [be] [vb pp] at a | 518 |
|
| 3 | [be] done [prep] a | 193 |
|
| 4 | [be] done at [art] | 37 |
|
| 5 | [be] done at [art] | 37 |
|
| 6 | [be] done at a | 15 |
|
| 7 | [be] do at a | 8 |
|
| 8 | [be] done at a | 8 |
|
