| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [prep] a [adj] [noun] | 13997 |
|
| 2 | [prep] [noun] [prep] [art] [det] [noun] | 1577 |
|
| 3 | [prep] [noun] [prep] a [det] [noun] | 293 |
|
