| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [noun] [unc] | 7360 |
|
| 2 | [prep] a [det] [noun] | 6761 |
|
| 3 | [prep] [det] [noun] [unc] | 4915 |
|
| 4 | a [det] [noun] [unc] | 323 |
|
| 5 | [prep] a [det] [unc] | 17 |
|
