| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [unc] | 923 |
|
| 2 | [noun] [prep] a [unc] | 923 |
|
| 3 | [noun] at [art] [unc] | 162 |
|
| 4 | [noun] at a [unc] | 16 |
|
