| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [adj] | 4723 |
|
| 2 | [prep] a [noun] at | 4464 |
|
| 3 | [prep] [noun] at [adj] | 1069 |
|
| 4 | a [noun] at [adj] | 320 |
|
