| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | conference be held at [noun] | 5 |
|
| 2 | conference [was/were] held at [noun] | 5 |
|
| 3 | conference was held at [noun] | 5 |
|
| 4 | conference [be] held at [noun] | 5 |
|
| 5 | conference held at the [noun] | 6 |
|
| 6 | conference held at [art] [noun] | 6 |
|
| 7 | conference held at the [noun] | 6 |
|
| 8 | conference held at [art] [noun] | 6 |
|
