| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be discussed at a | 38 |
|
| 2 | [be] discussed at a | 31 |
|
| 3 | be discussed at a | 18 |
|
| 4 | [be] discussed at a | 18 |
|
| 5 | [was/were] discussed at a | 12 |
|
| 6 | was discussed at a | 8 |
|
| 7 | [be] discussed at an | 7 |
|
