| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] at the annual | 5 |
|
| 2 | [prep] [noun prp] at the annual | 5 |
|
| 3 | [noun prp] [noun] at the annual | 7 |
|
| 4 | [noun prp] at the annual [noun] | 9 |
|
| 5 | [noun prp] at the annual [noun sg] | 8 |
|
