| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] | 430262 |
|
| 2 | [prep] a [noun sg] | 407844 |
|
| 3 | [prep] [noun] [noun sg] | 215237 |
|
| 4 | a [noun] [noun sg] | 153936 |
|
