| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [prep] a [noun] | 1533 |
|
| 2 | [prep] [prep] a [noun] | 1530 |
|
| 3 | at [prep] [art] [noun] | 367 |
|
| 4 | at [prep] [art] [noun] | 367 |
|
| 5 | at [prep] a [noun] | 81 |
|
| 6 | at [prep] a [noun] | 76 |
|
