| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | conference hold [prep] [art] | 21 |
|
| 2 | conference held [prep] [art] | 20 |
|
| 3 | conference hold [prep] the | 20 |
|
| 4 | conference hold at [art] | 7 |
|
| 5 | conference hold at [art] | 7 |
|
| 6 | conference hold by [art] | 5 |
|
| 7 | conference hold by [art] | 5 |
|
