| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [noun] ' [noun sg] | 37 |
|
| 2 | at a [noun pl] ' [noun sg] | 36 |
|
| 3 | at a [noun] ' meeting | 10 |
|
| 4 | at a girls ' [noun sg] | 6 |
|
| 5 | at a girl ' [noun sg] | 6 |
|
