| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] | 430262 |
|
| 2 | [subord] a [noun] | 24454 |
|
| 3 | [prep] [subord] [noun] | 1496 |
|
| 4 | [prep] [subord] a | 509 |
|
