| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [prep] a | 414 |
|
| 2 | [noun] at [prep] [art] | 122 |
|
| 3 | [noun] at [prep] [art] | 122 |
|
| 4 | [noun] at [prep] a | 9 |
|
| 5 | [noun] at [prep] a | 7 |
|
