| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun prp] [prep] [art] [noun prp] | 223 |
|
| 2 | at [noun prp] [prep] a [noun] | 221 |
|
| 3 | [prep] [noun prp] [prep] a [noun prp] | 130 |
|
| 4 | at [noun] [prep] a [noun prp] | 36 |
|
