| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] | 8763 |
|
| 2 | [prep] a [no cls] | 2228 |
|
| 3 | [prep] [det] [no cls] | 1711 |
|
| 4 | a [det] [no cls] | 112 |
|
