| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | conference held [prep] the [noun sg] | 11 |
|
| 2 | conference hold [prep] the [noun sg] | 11 |
|
| 3 | conference hold at the [noun sg] | 6 |
|
| 4 | conference hold at the [noun sg] | 6 |
|
