| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun sg] [noun sg] at the | 86 |
|
| 2 | an exhibition [noun sg] at the | 5 |
|
| 3 | an exhibition [noun sg] at the | 5 |
|
| 4 | an [noun pl] [noun sg] at the | 5 |
|
