| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] [be] hold [prep] [adj] | 143 |
|
| 2 | conference [modal v] [be] [verb] [prep] [adj] | 12 |
|
| 3 | conference [modal v] [be] hold [prep] [adj] | 6 |
|
