| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] held at [art] [adj] [noun pl] | 16 |
|
| 2 | [be] held [prep] [art] scientific [noun pl] | 7 |
|
| 3 | [be] held [prep] [art] scientific [noun pl] | 7 |
|
| 4 | [be] held at [art] scientific [noun pl] | 7 |
|
| 5 | [be] [vb pp] at [art] scientific [noun pl] | 7 |
|
| 6 | [be] hold at [art] scientific [noun pl] | 7 |
|
| 7 | [be] held at [art] scientific [noun] | 7 |
|
| 8 | [be] [verb] at [art] scientific [noun pl] | 7 |
|
