| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [be] [vb pp] at a | 178 |
|
| 2 | to [be] [vb pp] at a | 178 |
|
| 3 | to [be] [vb pp] at a | 178 |
|
| 4 | [prep] be [vb pp] at a | 178 |
|
| 5 | [prep] [be] discussed at a | 9 |
|
| 6 | [prep] [be] taken at a | 8 |
|
| 7 | [prep] [be] kept at a | 5 |
|
