| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be held at the [noun prp] [noun] | 47 |
|
| 2 | [be] held at the [noun prp] [noun sg] | 27 |
|
| 3 | [be] held at the [noun prp] [noun prp] | 18 |
|
