| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [noun] [noun] | 2956 |
|
| 2 | a [noun] [noun] [Wh det] | 2917 |
|
| 3 | at a [noun] [Wh det] | 221 |
|
| 4 | at [noun] [noun] [Wh det] | 104 |
|
