| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [prep] | 149102 |
|
| 2 | [prep] [num] [noun] [prep] | 32647 |
|
| 3 | [prep] a [num] [noun] | 5049 |
|
| 4 | a [num] [noun] [prep] | 2349 |
|
| 5 | [prep] a [num] [prep] | 288 |
|
