| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] at a [noun sg] | 618 |
|
| 2 | [be] held at [noun sg] | 46 |
|
| 3 | [be] held at a | 34 |
|
| 4 | held at a [noun sg] | 21 |
|
| 5 | [be] held a [noun sg] | 9 |
|
