| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun prp] a [det] [noun pl] | 126 |
|
| 2 | at [noun] a [det] [noun pl] | 20 |
|
| 3 | at [noun prp] a [adj] [noun pl] | 14 |
|
| 4 | at [noun prp] [art] [det] [noun pl] | 13 |
|
| 5 | at [noun prp] a [det] [noun] | 13 |
|
