| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] | 8648 |
|
| 2 | [prep] [det] [unc] | 1834 |
|
| 3 | [prep] a [unc] | 1810 |
|
| 4 | a [det] [unc] | 112 |
|
