| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a | 310452 |
|
| 2 | [noun] [prep] [num] | 177558 |
|
| 3 | [prep] a [num] | 8224 |
|
| 4 | [noun] a [num] | 617 |
|
